A318513 The 2-adic valuation of A318512.

0, 0, 1, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 2, 0, 1, 2, 1, 0, 2, 0, 1, 0, 3, 0, 4, 0, 1, 1, 1, 0, 2, 0, 2, 2, 1, 0, 2, 0, 1, 1, 1, 0, 4, 0, 1, 0, 3, 2, 2, 0, 1, 3, 2, 0, 2, 0, 1, 1, 1, 0, 4, 0, 2, 1, 1, 0, 2, 1, 1, 1, 1, 0, 4, 0, 2, 1, 1, 0, 7, 0, 1, 1, 2, 0, 2, 0, 1, 3, 2, 0, 2, 0, 2, 0, 1, 2, 4, 2, 1, 1, 1, 0, 3

Offset: 1

Author

Antti Karttunen, Aug 30 2018

Keywords

• nonn

Links

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

Crossrefs

Cf. A318512.

Programs

PARI

A318513(n) = valuation(A318512(n),2); \\ Needs also code from A318512.

Formula

a(n) = A007814(A318512(n)).