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Search: id:A012428
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A012428 arctanh(atan(x)*sin(x))=2/2!*x^2-12/4!*x^4+430/6!*x^6-27384/8!*x^8... +0
1
2, -12, 430, -27384, 3086458, -524689220, 126513823462, -40981407368048, 17181884789561202, -9052122654113318396, 5854705311144202022046, -4561027328402726456335720, 4212695076131749316430016746 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A012378 A012383 A012751 this_sequence A012786 A062738 A009510

Adjacent sequences: A012425 A012426 A012427 this_sequence A012429 A012430 A012431

KEYWORD

sign

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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