A347899 - OEIS

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A347899

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

3

1, 1, 1, 2, -1, -6, 109, 1154, -2507, 18392, 829181, 6383244, -2209703, -107812394, 4571476337, 317794760230, 2764096980201, -15873576166552, 100411162138201, 7249400365091352, 111212112152829597, 8121369858513002698, 171335979252872509109, 502729844835525379706

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,4

LINKS

Table of n, a(n) for n=0..23.

PROG

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

CROSSREFS

Cf. A347898, A347900.

Sequence in context: A355005 A320570 A300911 * A365750 A103114 A004561

Adjacent sequences: A347896 A347897 A347898 * A347900 A347901 A347902

KEYWORD

sign

AUTHOR

Seiichi Manyama, Sep 18 2021

STATUS

approved