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Search: id:A013043
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A013043 sech(sinh(x)+arcsin(x))=1-4/2!*x^2+64/4!*x^4-2464/6!*x^6... +0
1
1, -4, 64, -2464, 176000, -20274304, 3418964992, -795860555520, 244118384340992, -95517422279237632, 46396805200416325632, -27406009571869059219456, 19339103621838228194852864 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A098698 A081559 A002454 this_sequence A167406 A156631 A088065

Adjacent sequences: A013040 A013041 A013042 this_sequence A013044 A013045 A013046

KEYWORD

sign

AUTHOR

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

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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