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Search: id:A012461
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A012461 sinh(arctan(x)*atan(x))=2/2!*x^2-16/4!*x^4+488/6!*x^6-30336/8!*x^8... +0
2
2, -16, 488, -30336, 3061152, -450481920, 90676698240, -23889578496000, 7972943138664960, -3286129765438771200, 1638857583672607549440, -972524875970827007262720, 677113960144029088030433280 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A012146 A113109 A140309 this_sequence A012458 A012171 A068472

Adjacent sequences: A012458 A012459 A012460 this_sequence A012462 A012463 A012464

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

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