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Search: id:A012006
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A012006 -arctanh(log(cos(x)))=1/2!*x^2+2/4!*x^4+46/6!*x^6+1112/8!*x^8... +0
1
1, 2, 46, 1112, 63376, 4635872, 523749136, 76049858432, 14634264866176, 3496967323112192, 1032537134569578496, 366067157640456292352, 154146217678162805226496, 75874517780279404503590912 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A071777 A066555 A012001 this_sequence A074041 A000191 A000192

Adjacent sequences: A012003 A012004 A012005 this_sequence A012007 A012008 A012009

KEYWORD

nonn

AUTHOR

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

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Last modified August 29 14:50 EDT 2008. Contains 143238 sequences.

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