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Search: id:A012126
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A012126 arctan(arcsin(tanh(x)))=x-3/3!*x^3+49/5!*x^5-1971/7!*x^7+147457/9!*x^9... +0
1
1, -3, 49, -1971, 147457, -17712131, 3119521521, -757475512691, 242537719364737, -99014166389423235, 50196880291533920305, -30939568726951088808371, 22784988607303653453394305 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A012059 A012166 A012068 this_sequence A012040 A012223 A012100

Adjacent sequences: A012123 A012124 A012125 this_sequence A012127 A012128 A012129

KEYWORD

sign

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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