login
A349339
Odd bisection of the Möbius transform of A126760.
2
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
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. also A072451 (the odd bisection of the Möbius transform of A003602).
Sequence in context: A229032 A352835 A349953 * A117909 A261094 A091538
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 16 2021
STATUS
approved