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A009270 Expansion of exp(tanh(x)*sin(x)). 0
1, 2, 0, -98, 1400, 10442, -2400420, 182874382, -11026390960, 272975496722, 101146071584580, -35170244758056938, 8878370234261147000, -2024456851681157735398, 406854219864771946133100 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..14.

MATHEMATICA

Exp[ Tanh[ x ]*Sin[ x ] ] (* Even Part *)

CROSSREFS

Sequence in context: A009740 A132860 A156485 * A033838 A181373 A046065

Adjacent sequences:  A009267 A009268 A009269 * A009271 A009272 A009273

KEYWORD

sign

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs by Olivier Gérard, Mar 15 1997

STATUS

approved

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Last modified September 23 17:38 EDT 2017. Contains 292362 sequences.