A324379 a(n) = A007814(A005187(n)).

0, 0, 2, 0, 3, 1, 0, 0, 4, 1, 0, 1, 0, 0, 1, 0, 5, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 3, 0, 0, 6, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 3, 0, 1, 0, 0, 1, 0, 1, 3, 0, 0, 1, 4, 0, 2, 0, 0, 3, 0, 7, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 3, 0, 1, 0, 0, 1, 0, 1, 3, 0, 0, 1, 4, 0, 2, 0, 0, 3, 1, 0, 0, 1, 0, 1, 3, 0, 0, 1

Offset: 1

Author

Antti Karttunen, Feb 28 2019

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..65537
• Index entries for sequences related to binary expansion of n

Crossrefs

Cf. A005187, A007814, A277808, A324377.

Programs

PARI

A324379(n) = { my(s=n); while(n>>=1, s+=n); valuation(s,2); };

Formula

a(n) = A007814(A005187(n)).