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Search: id:A012404
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A012404 arctanh(atan(x)*log(x+1))=2/2!*x^2-3/3!*x^3-10/5!*x^5+448/6!*x^6... +0
1
2, -3, 0, -10, 448, -3444, 10080, -62784, 2682432, -44090640, 365238720, -3190206240, 98622664320, -2518618203360, 38819985684480, -522802362915840, 13679170866554880, -437041001210135040 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A012401 A012398 A012652 this_sequence A002099 A059740 A005160

Adjacent sequences: A012401 A012402 A012403 this_sequence A012405 A012406 A012407

KEYWORD

sign

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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