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A024279 Expansion of tan(tan(x)*sinh(x))/2. +0
1
0, 1, 6, 191, 11676, 1111501, 159118146, 31534949291, 8253261002616, 2758076443359961, 1145356666834820286, 578481632054752663511, 349162848547458172567956, 248194708790049332718453541 (list; graph; listen)
OFFSET

0,3

MATHEMATICA

Tan[ Tan[ x ]*Sinh[ x ]]/2 (* Even Part *)

CROSSREFS

A009706.

Sequence in context: A015004 A129046 A059491 this_sequence A012205 A086065 A112845

Adjacent sequences: A024276 A024277 A024278 this_sequence A024280 A024281 A024282

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhh(AT)cadence.com)

EXTENSIONS

Extended and signs tested 03/97.

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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