Identifier
-
Mp00095:
Integer partitions
—to binary word⟶
Binary words
Mp00136: Binary words —rotate back-to-front⟶ Binary words
Mp00268: Binary words —zeros to flag zeros⟶ Binary words
St000982: Binary words ⟶ ℤ
Values
[1] => 10 => 01 => 00 => 2
[2] => 100 => 010 => 100 => 2
[1,1] => 110 => 011 => 000 => 3
[3] => 1000 => 0100 => 0100 => 2
[2,1] => 1010 => 0101 => 1100 => 2
[1,1,1] => 1110 => 0111 => 0000 => 4
[4] => 10000 => 01000 => 10100 => 2
[3,1] => 10010 => 01001 => 00100 => 2
[2,2] => 1100 => 0110 => 1000 => 3
[2,1,1] => 10110 => 01011 => 11100 => 3
[1,1,1,1] => 11110 => 01111 => 00000 => 5
[5] => 100000 => 010000 => 010100 => 2
[4,1] => 100010 => 010001 => 110100 => 2
[3,2] => 10100 => 01010 => 01100 => 2
[3,1,1] => 100110 => 010011 => 000100 => 3
[2,2,1] => 11010 => 01101 => 11000 => 3
[2,1,1,1] => 101110 => 010111 => 111100 => 4
[1,1,1,1,1] => 111110 => 011111 => 000000 => 6
[6] => 1000000 => 0100000 => 1010100 => 2
[5,1] => 1000010 => 0100001 => 0010100 => 2
[4,2] => 100100 => 010010 => 100100 => 2
[4,1,1] => 1000110 => 0100011 => 1110100 => 3
[3,3] => 11000 => 01100 => 01000 => 3
[3,2,1] => 101010 => 010101 => 001100 => 2
[3,1,1,1] => 1001110 => 0100111 => 0000100 => 4
[2,2,2] => 11100 => 01110 => 10000 => 4
[2,2,1,1] => 110110 => 011011 => 111000 => 3
[2,1,1,1,1] => 1011110 => 0101111 => 1111100 => 5
[1,1,1,1,1,1] => 1111110 => 0111111 => 0000000 => 7
[7] => 10000000 => 01000000 => 01010100 => 2
[6,1] => 10000010 => 01000001 => 11010100 => 2
[5,2] => 1000100 => 0100010 => 0110100 => 2
[5,1,1] => 10000110 => 01000011 => 00010100 => 3
[4,3] => 101000 => 010100 => 101100 => 2
[4,2,1] => 1001010 => 0100101 => 1100100 => 2
[4,1,1,1] => 10001110 => 01000111 => 11110100 => 4
[3,3,1] => 110010 => 011001 => 001000 => 3
[3,2,2] => 101100 => 010110 => 011100 => 3
[3,2,1,1] => 1010110 => 0101011 => 0001100 => 3
[3,1,1,1,1] => 10011110 => 01001111 => 00000100 => 5
[2,2,2,1] => 111010 => 011101 => 110000 => 4
[2,2,1,1,1] => 1101110 => 0110111 => 1111000 => 4
[2,1,1,1,1,1] => 10111110 => 01011111 => 11111100 => 6
[1,1,1,1,1,1,1] => 11111110 => 01111111 => 00000000 => 8
[8] => 100000000 => 010000000 => 101010100 => 2
[7,1] => 100000010 => 010000001 => 001010100 => 2
[6,2] => 10000100 => 01000010 => 10010100 => 2
[6,1,1] => 100000110 => 010000011 => 111010100 => 3
[5,3] => 1001000 => 0100100 => 0100100 => 2
[5,2,1] => 10001010 => 01000101 => 00110100 => 2
[5,1,1,1] => 100001110 => 010000111 => 000010100 => 4
[4,4] => 110000 => 011000 => 101000 => 3
[4,3,1] => 1010010 => 0101001 => 1101100 => 2
[4,2,2] => 1001100 => 0100110 => 1000100 => 3
[4,2,1,1] => 10010110 => 01001011 => 11100100 => 3
[4,1,1,1,1] => 100011110 => 010001111 => 111110100 => 5
[3,3,2] => 110100 => 011010 => 011000 => 3
[3,3,1,1] => 1100110 => 0110011 => 0001000 => 3
[3,2,2,1] => 1011010 => 0101101 => 0011100 => 3
[3,2,1,1,1] => 10101110 => 01010111 => 00001100 => 4
[3,1,1,1,1,1] => 100111110 => 010011111 => 000000100 => 6
[2,2,2,2] => 111100 => 011110 => 100000 => 5
[2,2,2,1,1] => 1110110 => 0111011 => 1110000 => 4
[2,2,1,1,1,1] => 11011110 => 01101111 => 11111000 => 5
[2,1,1,1,1,1,1] => 101111110 => 010111111 => 111111100 => 7
[1,1,1,1,1,1,1,1] => 111111110 => 011111111 => 000000000 => 9
[8,1] => 1000000010 => 0100000001 => 1101010100 => 2
[7,2] => 100000100 => 010000010 => 011010100 => 2
[7,1,1] => 1000000110 => 0100000011 => 0001010100 => 3
[6,3] => 10001000 => 01000100 => 10110100 => 2
[6,2,1] => 100001010 => 010000101 => 110010100 => 2
[5,4] => 1010000 => 0101000 => 0101100 => 2
[5,3,1] => 10010010 => 01001001 => 00100100 => 2
[5,2,2] => 10001100 => 01000110 => 01110100 => 3
[5,2,1,1] => 100010110 => 010001011 => 000110100 => 3
[5,1,1,1,1] => 1000011110 => 0100001111 => 0000010100 => 5
[4,4,1] => 1100010 => 0110001 => 1101000 => 3
[4,3,2] => 1010100 => 0101010 => 1001100 => 2
[4,3,1,1] => 10100110 => 01010011 => 11101100 => 3
[4,2,2,1] => 10011010 => 01001101 => 11000100 => 3
[4,2,1,1,1] => 100101110 => 010010111 => 111100100 => 4
[3,3,3] => 111000 => 011100 => 010000 => 4
[3,3,2,1] => 1101010 => 0110101 => 0011000 => 3
[3,3,1,1,1] => 11001110 => 01100111 => 00001000 => 4
[3,2,2,2] => 1011100 => 0101110 => 0111100 => 4
[3,2,2,1,1] => 10110110 => 01011011 => 00011100 => 3
[3,2,1,1,1,1] => 101011110 => 010101111 => 000001100 => 5
[3,1,1,1,1,1,1] => 1001111110 => 0100111111 => 0000000100 => 7
[2,2,2,2,1] => 1111010 => 0111101 => 1100000 => 5
[2,2,2,1,1,1] => 11101110 => 01110111 => 11110000 => 4
[2,2,1,1,1,1,1] => 110111110 => 011011111 => 111111000 => 6
[1,1,1,1,1,1,1,1,1] => 1111111110 => 0111111111 => 0000000000 => 10
[9,1] => 10000000010 => 01000000001 => 00101010100 => 2
[7,3] => 100001000 => 010000100 => 010010100 => 2
[6,4] => 10010000 => 01001000 => 10100100 => 2
[6,3,1] => 100010010 => 010001001 => 110110100 => 2
[6,2,2] => 100001100 => 010000110 => 100010100 => 3
[6,2,1,1] => 1000010110 => 0100001011 => 1110010100 => 3
[5,5] => 1100000 => 0110000 => 0101000 => 3
[5,4,1] => 10100010 => 01010001 => 00101100 => 2
[5,3,2] => 10010100 => 01001010 => 01100100 => 2
>>> Load all 301 entries. <<<
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Description
The length of the longest constant subword.
Map
to binary word
Description
Return the partition as binary word, by traversing its shape from the first row to the last row, down steps as 1 and left steps as 0.
Map
zeros to flag zeros
Description
Return a binary word of the same length, such that the number of occurrences of $10$ in the word obtained by prepending the reverse of the complement equals the number of $0$s in the original word.
For example, the image of the word $w=1\dots1$ is $1\dots1$, because $w$ has no zeros, and $1\dots1$ is the only word such that prepending the reverse of its complement has no occurrence of the factor $10$.
On the other hand, $0\dots0$ must be mapped to $10\dots10$ if the length is even, and $010\dots10$ if it is odd.
For example, the image of the word $w=1\dots1$ is $1\dots1$, because $w$ has no zeros, and $1\dots1$ is the only word such that prepending the reverse of its complement has no occurrence of the factor $10$.
On the other hand, $0\dots0$ must be mapped to $10\dots10$ if the length is even, and $010\dots10$ if it is odd.
Map
rotate back-to-front
Description
The rotation of a binary word, last letter first.
This is the word obtained by moving the last letter to the beginnig.
This is the word obtained by moving the last letter to the beginnig.
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