A116488 - OEIS

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A116488

Number of factorizations of n into evil numbers.

4

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

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OFFSET

1,9

COMMENTS

a(2*n) >= a(n) for n > 1. - David A. Corneth, Mar 27 2021

LINKS

David A. Corneth, Table of n, a(n) for n = 1..10000

FORMULA

Dirichlet g.f.: prod{n is in A001969}(1/(1-1/n^s)).

CROSSREFS

Cf. A001969, A116489, A116490.

Sequence in context: A368987 A115604 A128617 * A356242 A216601 A283000

Adjacent sequences: A116485 A116486 A116487 * A116489 A116490 A116491

KEYWORD

nonn

AUTHOR

Christian G. Bower, Feb 17 2006

STATUS

approved