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Search: id:A012057
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A012057 arcsinh(sin(arctanh(x)))=x+4/5!*x^5-80/7!*x^7-3440/9!*x^9-764800/11!*x^11... +0
1
1, 0, 4, -80, -3440, -764800, -107953600, -25833184000, -6745073504000, -2368021859840000, -968030415297920000, -487629248007416320000, -285882353240737277440000, -197729299896592542208000000 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Adjacent sequences: A012054 A012055 A012056 this_sequence A012058 A012059 A012060

Sequence in context: A012127 A057875 A012824 this_sequence A102063 A002436 A013031

KEYWORD

sign

AUTHOR

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

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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