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Search: id:A012994
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A012994 cosh(arctan(x)+arcsin(x))=1+4/2!*x^2+8/4!*x^4+310/6!*x^6+4600/8!*x^8... +0
1
1, 4, 8, 310, 4600, 695450, 32209900, 9441571750, 1024927826000, 439344864507250, 96071120715212500, 52160549887581638750, 20873814687864446035000, 13171711293701017616406250 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012991 A012992 A012993 this_sequence A012995 A012996 A012997

Sequence in context: A074073 A090653 A065022 this_sequence A136386 A013443 A013442

KEYWORD

nonn

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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