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Search: id:A012170
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A012170 arcsin(tan(tanh(x)))=x+1/3!*x^3+1/5!*x^5+169/7!*x^7+5857/9!*x^9... +0
1
1, 1, 1, 169, 5857, 365905, 48069217, 6592812217, 1367546003521, 352618786733473, 113088877092468289, 44682599178075094729, 21050259388599343979041, 11746444483256346415750897 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Adjacent sequences: A012167 A012168 A012169 this_sequence A012171 A012172 A012173

Sequence in context: A038596 A012014 A133583 this_sequence A052066 A069297 A051477

KEYWORD

nonn

AUTHOR

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

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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