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A012650 Expansion of e.g.f. sin(tanh(x) * log(x+1)). 0
0, 0, 2, -3, 0, -10, 40, 504, -2352, -4824, -182912, 3899720, -27876640, 234373776, -5435914640, 91625675400, -1149581257216, 18172484297792, -366469643887104, 6826755069373824, -123759250799610112 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..20.

MAPLE

2/2!*x^2 - 3/3!*x^3 - 10/5!*x^5 + 40/6!*x^6 ...

CROSSREFS

Sequence in context: A012399 A012403 A012655 * A111606 A012653 A012656

Adjacent sequences: A012647 A012648 A012649 * A012651 A012652 A012653

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

EXTENSIONS

a(0) and a(1) inserted and title improved by Sean A. Irvine, Jul 23 2018

STATUS

approved

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Last modified January 31 14:20 EST 2023. Contains 359975 sequences. (Running on oeis4.)