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Search: id:A013570
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A013570 log(arctan(x)/log(x+1))=x-9/2!*x^2+1/4!*x^4+7/5!*x^5-4977/6!*x^6... +0
1
1, -9, 0, 1, 7, -4977, 219, 1039, 11570, -33344784, 995254, 7720297, 126624718, -4415407356, 22344623929, 241815032188, 5222279193717, -86652127610560844, 1561364880901471, 21735423877239687 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A021530 A110909 A118811 this_sequence A065471 A089481 A065421

Adjacent sequences: A013567 A013568 A013569 this_sequence A013571 A013572 A013573

KEYWORD

sign

AUTHOR

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

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.

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