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A318652 The 2-adic valuation of A046644(n)/A318512(n) (A318651). 4
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

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

FORMULA

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

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

PROG

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

CROSSREFS

Cf. A046644, A318512, A318651.

Sequence in context: A302244 A019746 A112574 * A061064 A016597 A128114

Adjacent sequences:  A318649 A318650 A318651 * A318653 A318654 A318655

KEYWORD

nonn

AUTHOR

Antti Karttunen, Aug 31 2018

STATUS

approved

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Last modified July 27 11:45 EDT 2021. Contains 346304 sequences. (Running on oeis4.)