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Search: id:A012773
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A012773 exp(cosh(x)*arctanh(x))=1+x+1/2!*x^2+6/3!*x^3+21/4!*x^4+100/5!*x^5... +0
1
1, 1, 1, 6, 21, 100, 645, 4256, 34153, 302352, 2966505, 32245664, 380114493, 4879093440, 67244074989, 996485811712, 15717842398417, 264232448010496, 4694489063253585, 88283645811756544, 1744673430747688805 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Sequence in context: A001553 A009247 A093774 this_sequence A012662 A012418 A083558

Adjacent sequences: A012770 A012771 A012772 this_sequence A012774 A012775 A012776

KEYWORD

nonn

AUTHOR

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

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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