A318652 The 2-adic valuation of A046644(n)/A318512(n) (A318651).

0, 1, 0, 3, 0, 2, 0, 4, 0, 2, 0, 4, 0, 2, 0, 7, 0, 2, 0, 4, 0, 2, 0, 5, 0, 2, 0, 4, 0, 2, 0, 8, 0, 2, 0, 4, 0, 2, 0, 5, 0, 2, 0, 4, 0, 2, 0, 8, 0, 2, 0, 4, 0, 2, 0, 5, 0, 2, 0, 4, 0, 2, 0, 10, 0, 2, 0, 4, 0, 2, 0, 6, 0, 2, 0, 4, 0, 2, 0, 8, 0, 2, 0, 4, 0, 2, 0, 5, 0, 2, 0, 4, 0, 2, 0, 9, 0, 2, 0, 4, 0, 2, 0, 5, 0

Offset: 1

Author

Antti Karttunen, Aug 31 2018

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..65537

Crossrefs

Cf. A046644, A318512, A318651.

Programs

PARI

A318652(n) = valuation(A046644(n)/A318512(n),2); \\ Needs also code from those two respective entries.

Formula

a(n) = A007814(A318651(n)).

a(n) = A046645(n) - A318513(n).