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Search: id:A009747
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A009747 Expansion of tan(x)*sinh(x). +0
7
0, 2, 12, 142, 3192, 116282, 6219972, 458790022, 44625674352, 5534347077362, 852334810990332, 159592488559874302, 35703580441464231912, 9405575479317650316842, 2881823738166957609703092 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

Tan[ x ]*Sinh[ x ] (* Even Part *)

CROSSREFS

Bisection of A009739 and (apparently) A062161.

Sequence in context: A093543 A091144 A087800 this_sequence A067601 A052740 A052742

Adjacent sequences: A009744 A009745 A009746 this_sequence A009748 A009749 A009750

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Extended and signs tested Mar 15 1997 by Olivier Gerard.

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.


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