A347898 E.g.f.: Product_{k>=1} (1 + x^k)^(sin(x)/k).

1, 0, 2, 0, 24, -30, 694, -1050, 37832, -167076, 3840946, -16352820, 484077316, -3571377810, 92305923462, -735565382370, 24089429290352, -260389373957160, 7612771211634930, -88060997260644552, 2819270530524656316, -42624237378570669990, 1487399781900667121150

Offset

0,3

Links

Table of n, a(n) for n=0..22.

Prog

(PARI) N=40; x='x+O('x^N); Vec(serlaplace(prod(k=1, N, (1+x^k)^(sin(x)/k))))

Crossrefs

Cf. A347899, A347900.

Sequence in context: A201954 A005359 A008842 * A130915 A356576 A127067

Adjacent sequences: A347895 A347896 A347897 * A347899 A347900 A347901

Keyword

sign

Author

Seiichi Manyama, Sep 18 2021

Status

approved