A277700 a(n) = A000120(A264977(n)); number of odd terms on row n of A125184.

0, 1, 1, 2, 1, 1, 2, 3, 1, 2, 1, 3, 2, 1, 3, 4, 1, 3, 2, 3, 1, 2, 3, 3, 2, 3, 1, 4, 3, 1, 4, 5, 1, 4, 3, 3, 2, 3, 3, 2, 1, 1, 2, 3, 3, 2, 3, 3, 2, 3, 3, 4, 1, 3, 4, 3, 3, 4, 1, 5, 4, 1, 5, 6, 1, 5, 4, 3, 3, 4, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 1, 2, 1, 3, 2, 1, 3, 4, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 4, 3, 3, 4, 3, 1, 2, 3, 3, 4, 3, 3, 4, 3, 3, 4, 5, 1, 4, 5, 3, 4

Offset: 0

Author

Antti Karttunen, Oct 27 2016

Keywords

• nonn

Comments

Positions of even and odd terms are given by A008585 and A001651, which means that parity-wise the terms match with the Fibonacci numbers, A000045.

Links

• Antti Karttunen, Table of n, a(n) for n = 0..8193

Crossrefs

Cf. A000120, A001221, A001222, A125184, A264977, A277330.

Cf. also A000045, A001651, A008585, A011655.

Programs

Scheme

(define (A277700 n) (A000120 (A264977 n)))

Formula

a(n) = A000120(A264977(n)).

a(n) = A001221(A277330(n)) = A001222(A277330(n)).

Other identities. For all n >= 0:

a(2n) = a(n).

A000035(a(n)) = A011655(n).