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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
2, -12, 478, -30072, 3298842, -533109060, 120154935990, -35890600460400, 13718452402856370, -6526678990152469500, 3781159226914921390350, -2620167311178014908602600, 2139645753650552865382712010 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
CROSSREFS
Sequence in context: A009510 A091471 A357895 * A012630 A013173 A013147
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved

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Last modified February 29 05:57 EST 2024. Contains 370401 sequences. (Running on oeis4.)