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Search: id:A012190
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A012190 tanh(arctan(sin(x)))=x-5/3!*x^3+121/5!*x^5-6845/7!*x^7+690481/9!*x^9... +0
1
1, -5, 121, -6845, 690481, -108594485, 24502918441, -7495966306925, 2984112329052001, -1498441322462840165, 926096248873419539161, -690670275602276172370205, 611502034169544516212107921 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A108791 A012179 A012026 this_sequence A012077 A012046 A012151

Adjacent sequences: A012187 A012188 A012189 this_sequence A012191 A012192 A012193

KEYWORD

sign

AUTHOR

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

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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