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Search: id:A009549
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A009549 Expansion of sin(x)*sin(tanh(x)). +0
2
0, 2, -16, 288, -9920, 541184, -42274816, 4449451776, -605255720960, 103187353223168, -21528004660707328, 5391886872902762496, -1595781555670951657472, 550728986895462989103104 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

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

CROSSREFS

Sequence in context: A123744 A136796 A055546 this_sequence A009795 A112722 A009250

Adjacent sequences: A009546 A009547 A009548 this_sequence A009550 A009551 A009552

KEYWORD

sign

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

EXTENSIONS

Extended with signs Mar 15 1997 by Olivier Gerard.

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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