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Search: id:A012060
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A012060 cosh(sin(arctanh(x)))=1+1/2!*x^2+5/4!*x^4+61/6!*x^6+937/8!*x^8... +0
1
1, 1, 5, 61, 937, -34919, -13257619, -3269873515, -890367567919, -286428853272143, -109915623105978539, -50081947723080008339, -26861824093922170259335, -16800404374717805427318199 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A000363 A099666 A064328 this_sequence A012167 A162167 A134282

Adjacent sequences: A012057 A012058 A012059 this_sequence A012061 A012062 A012063

KEYWORD

sign

AUTHOR

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

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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