Scaling symmetries | Integer sequences | Fractals | Factorial and binomial topics

Gould's sequence

Gould's sequence is an integer sequence named after Henry W. Gould that counts how many odd numbers are in each row of Pascal's triangle. It consists only of powers of two, and begins: 1, 2, 2, 4, 2, 4, 4, 8, 2, 4, 4, 8, 4, 8, 8, 16, 2, 4, ... (sequence in the OEIS) For instance, the sixth number in the sequence is 4, because there are four odd numbers in the sixth row of Pascal's triangle (the four bold numbers in the sequence 1, 5, 10, 10, 5, 1). (Wikipedia).

Gould's sequence
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Central binomial coefficient | Hamming weight | Integer sequence | Sawtooth wave | James Whitbread Lee Glaisher | Rule 90 | Calkinโ€“Wilf tree | Odd number | Cellular automaton | Binary logarithm | Power of two | Self-similarity | Pascal's triangle | Thueโ€“Morse sequence