A349339 Odd bisection of the Möbius transform of A126760.

1, 0, 1, 2, 0, 3, 4, 0, 5, 6, 0, 7, 7, 0, 9, 10, 0, 8, 12, 0, 13, 14, 0, 15, 14, 0, 17, 14, 0, 19, 20, 0, 16, 22, 0, 23, 24, 0, 20, 26, 0, 27, 22, 0, 29, 24, 0, 24, 32, 0, 33, 34, 0, 35, 36, 0, 37, 30, 0, 32, 37, 0, 33, 42, 0, 43, 36, 0, 45, 46, 0, 40, 38, 0, 49, 50, 0, 40, 52, 0, 44, 54, 0, 55, 52, 0, 57, 40, 0, 59

Offset

1,4

Links

Table of n, a(n) for n=1..90.

Formula

a(n) = A347233(2*n-1).

Prog

(PARI)
A126760(n) = {n&&n\=3^valuation(n, 3)<<valuation(n, 2); n%3+n\6*2}; \\ From A126760
A347233(n) = sumdiv(n, d, moebius(n/d)*A126760(d));
A349339(n) = A347233(n+n-1);

Crossrefs

Cf. A126760, A347233.

Cf. also A072451 (the odd bisection of the Möbius transform of A003602).

Sequence in context: A229032 A352835 A349953 * A117909 A261094 A091538

Adjacent sequences: A349336 A349337 A349338 * A349340 A349341 A349342

Keyword

nonn

Author

Antti Karttunen, Nov 16 2021

Status

approved