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Search: id:A013111
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A013111 arctanh(arcsinh(x)+atan(x))=2*x+13/3!*x^3+561/5!*x^5+58959/7!*x^7... +0
1
2, 13, 561, 58959, 11644353, 3689490231, 1715357184849, 1099472915829519, 929329108531548417, 1001522171480774224743, 1340339793936610136490513, 2180857643900986608848041983, 4239717441519601414508854360257 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A132570 A013048 A012981 this_sequence A101342 A119122 A109947

Adjacent sequences: A013108 A013109 A013110 this_sequence A013112 A013113 A013114

KEYWORD

nonn

AUTHOR

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

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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