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Search: id:A012630
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A012630 arctanh(arcsinh(x)*atan(x))=2/2!*x^2-12/4!*x^4+478/6!*x^6-30072/8!*x^8... +0
1
2, -12, 478, -30072, 3540762, -612942660, 152039588790, -50468748044400, 21718174357721010, -11738352932289531900, 7790876172172937111310, -6228079669260433576829160, 5903220687917269513392843210 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A009510 A091471 A012625 this_sequence A013173 A013147 A050643

Adjacent sequences: A012627 A012628 A012629 this_sequence A012631 A012632 A012633

KEYWORD

sign

AUTHOR

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

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Last modified November 24 14:21 EST 2009. Contains 167438 sequences.

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