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A307548 Expansion of Product_{k>=1} (1 - (x/(1+x))^k). 1
1, -1, 0, 1, -2, 4, -9, 21, -48, 105, -218, 429, -803, 1442, -2521, 4380, -7734, 14091, -26468, 50405, -94980, 172824, -296704, 467589, -644459, 678109, -177123, -1752141, 7003180, -19432494, 46778567, -104623822, 224830880, -473859273, 992825436, -2084921584 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Table of n, a(n) for n=0..35.

PROG

(PARI) N=66; x='x+O('x^N); Vec(prod(k=1, N, 1-(x/(1+x))^k))

CROSSREFS

Convolution inverse of A320590.

Cf. A129519, A307310, A320591.

Sequence in context: A091619 A061439 A027711 * A084634 A137256 A051164

Adjacent sequences:  A307545 A307546 A307547 * A307549 A307550 A307551

KEYWORD

sign

AUTHOR

Seiichi Manyama, Apr 14 2019

STATUS

approved

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Last modified October 1 15:05 EDT 2020. Contains 337443 sequences. (Running on oeis4.)