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Search: id:A012082
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A012082 tanh(arcsin(tan(x)))=x+1/3!*x^3+1/5!*x^5+1/7!*x^7+7681/9!*x^9... +0
1
1, 1, 1, 1, 7681, 1689601, 390274561, 113644876801, 42729427952641, 20428848924057601, 12142755781873873921, 8789483754515321088001, 7614001483915573936550401, 7778864404689826961021184001 (list; graph; listen)
OFFSET

0,5
CROSSREFS

Sequence in context: A076339 A105132 A133859 this_sequence A035907 A092004 A116239

Adjacent sequences: A012079 A012080 A012081 this_sequence A012083 A012084 A012085

KEYWORD

nonn

AUTHOR

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

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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