A318315 The 2-adic valuation of A318314.

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

Offset

1,4

Links

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

Formula

a(n) = A007814(A318314(n)).

Prog

(PARI) A318315(n) = valuation(A318314(n), 2); \\ Needs also code from A318314.

Crossrefs

Cf. A318314.

Cf. also A046645, A317946, A318451, A318455.

Sequence in context: A111527 A035695 A100257 * A329861 A331332 A300228

Adjacent sequences: A318312 A318313 A318314 * A318316 A318317 A318318

Keyword

nonn

Author

Antti Karttunen and Andrew Howroyd, Aug 29 2018

Status

approved