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Search: id:A012242
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A012242 log(cos(tanh(x)))=-1/2!*x^2+6/4!*x^4-72/6!*x^6+1456/8!*x^8... +0
1
-1, 6, -72, 1456, -47104, 2390784, -180612096, 18625189888, -2431403622400, 384624656646144, -72343735465672704, 16067422146130345984, -4193787904779561730048, 1276366494840535652499456 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A052730 A010796 A038095 this_sequence A138446 A099029 A120331

Adjacent sequences: A012239 A012240 A012241 this_sequence A012243 A012244 A012245

KEYWORD

sign

AUTHOR

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

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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