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A009733 Expansion of tan(x)*cosh(tan(x)). +0
1
1, 5, 81, 2477, 120481, 8496245, 817734321, 102873611549, 16372688411713, 3213260867586149, 761792907575450385, 214507625428065409805, 70732793117238811066081, 26987583518243293948764629 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

Tan[ x ]*Cosh[ Tan[ x ] ] (* Odd Part *)

CROSSREFS

Sequence in context: A110257 A135918 A115032 this_sequence A009756 A009634 A165435

Adjacent sequences: A009730 A009731 A009732 this_sequence A009734 A009735 A009736

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 17 19:39 EST 2009. Contains 170821 sequences.


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