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Search: id:A012007
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A012007 cosh(log(cos(x)))= 1+3/4!*x^4+30/6!*x^6+693/8!*x^8+25260/10!*x^10... +0
4
1, 0, 3, 30, 693, 25260, 1351383, 99680490, 9695756073, 1202439837720, 185185594118763, 34674437196568950, 7757267081778543453, 2043536254646561946180, 626129820701814932734143 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A092677 A007019 A082879 this_sequence A065753 A113677 A012008

Adjacent sequences: A012004 A012005 A012006 this_sequence A012008 A012009 A012010

KEYWORD

nonn

AUTHOR

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

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Last modified November 24 23:11 EST 2009. Contains 167435 sequences.

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