The pair of sequences defined by 
, 
, and
The first few terms of the "male" sequence 
for 
, 1, ... are 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 9,
9, ... (OEIS A005379), and of the "female"
sequence 
are 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 6, 7, 8, 8, 9, 9, ...
(OEIS A005378).
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References
Hofstadter, D. R. Gödel, Escher, Bach: An Eternal Golden Braid. New York: Vintage Books, p. 137,
1989.Sloane, N. J. A. Sequences A005378/M0263
and A005379/M0278 in "The On-Line Encyclopedia
of Integer Sequences."Referenced on Wolfram|Alpha
Hofstadter Male-Female Sequences
Cite this as:
Weisstein, Eric W. "Hofstadter Male-Female Sequences." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/HofstadterMale-FemaleSequences.html
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