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Search: id:A012378
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A012378 tan(tan(x)*arcsin(x))=2/2!*x^2+12/4!*x^4+430/6!*x^6+26040/8!*x^8... +0
1
2, 12, 430, 26040, 2661178, 402231940, 84456360742, 23476965450736, 8341678414816242, 3686586514781799292, 1982979948714026781726, 1275341677617693817452200, 966341800352400737116306986 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Adjacent sequences: A012375 A012376 A012377 this_sequence A012379 A012380 A012381

Sequence in context: A060942 A072446 A015181 this_sequence A012383 A012751 A012428

KEYWORD

nonn

AUTHOR

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

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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