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A293567 E.g.f.: exp(x^2/(x^3 - 1)). 1
1, 0, -2, 0, 12, -120, -120, 5040, -38640, -181440, 5412960, -33264000, -478336320, 12194582400, -50871300480, -2168559993600, 49692144902400, -59775248332800, -15819216007795200, 329479616206540800, 1101564635255884800, -174845824790757120000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..21.

FORMULA

E.g.f.: Product_{k>0} exp(x^(-(3*k-1))).

PROG

(PARI) N=66; x='x+O('x^N); Vec(serlaplace(exp(x^2/(x^3-1))))

(PARI) N=66; x='x+O('x^N); Vec(serlaplace(1/prod(k=1, N, exp(x^(3*k-1)))))

CROSSREFS

E.g.f.: Product_{k>0} exp(x^(-(m*k-1))): A293532 (m=2), this sequence (m=3), A293568 (m=4).

Cf. A293494.

Sequence in context: A013316 A013310 A269889 * A293494 A058803 A193202

Adjacent sequences:  A293564 A293565 A293566 * A293568 A293569 A293570

KEYWORD

sign

AUTHOR

Seiichi Manyama, Oct 12 2017

STATUS

approved

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Last modified September 16 06:38 EDT 2019. Contains 327090 sequences. (Running on oeis4.)