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A270294 E.g.f.: Product_{k>=1} (1 + sinh(x^k)). 8
1, 1, 2, 13, 48, 381, 3120, 26923, 255696, 3158137, 40008240, 519979791, 7942304040, 122856625477, 2131578891624, 39647280625891, 750423985762080, 15134456564892273, 334165931467245216, 7422976578858122647, 177254117413133743800, 4454974632071621551741 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Vaclav Kotesovec, Table of n, a(n) for n = 0..440

MATHEMATICA

nmax = 25; Range[0, nmax]!*CoefficientList[Series[Product[1+Sinh[x^k], {k, 1, nmax}], {x, 0, nmax}], x]

CROSSREFS

Cf. A000262, A229263, A270662, A270663.

Sequence in context: A117717 A176060 A168172 * A005584 A072416 A319759

Adjacent sequences:  A270291 A270292 A270293 * A270295 A270296 A270297

KEYWORD

nonn

AUTHOR

Vaclav Kotesovec, Mar 21 2016

STATUS

approved

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Last modified March 26 12:27 EDT 2019. Contains 321497 sequences. (Running on oeis4.)