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Search: id:A012625
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A012625 tan(arcsinh(x)*arctan(x))=2/2!*x^2-12/4!*x^4+478/6!*x^6-30072/8!*x^8... +0
1
2, -12, 478, -30072, 3298842, -533109060, 120154935990, -35890600460400, 13718452402856370, -6526678990152469500, 3781159226914921390350, -2620167311178014908602600, 2139645753650552865382712010 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A062738 A009510 A091471 this_sequence A012630 A013173 A013147

Adjacent sequences: A012622 A012623 A012624 this_sequence A012626 A012627 A012628

KEYWORD

sign

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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