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Search: id:A012103
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A012103 cos(arcsin(sinh(x)))=1-1/2!*x^2-7/4!*x^4-121/6!*x^6-5167/8!*x^8... +0
1
1, -1, -7, -121, -5167, -410641, -51771127, -9466034761, -2365187249887, -773771636088481, -320901749327353447, -164490143309272987801, -102106049239499080993807, -75475990780239097513548721 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Adjacent sequences: A012100 A012101 A012102 this_sequence A012104 A012105 A012106

Sequence in context: A012028 A094088 A012043 this_sequence A012086 A074487 A113162

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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