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Search: id:A012786
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A012786 arctan(sec(x)*arcsin(x))=x+2/3!*x^3-12/5!*x^5-432/7!*x^7+10000/9!*x^9... +0
1
1, 2, -12, -432, 10000, 1500512, -18269760, -16350361856, 922523568384, 990634832194048, 92553699220882432, -44373953423964778496, 9057208032779104423936, 25540436414796388855898112 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A012383 A012751 A012428 this_sequence A062738 A009510 A091471

Adjacent sequences: A012783 A012784 A012785 this_sequence A012787 A012788 A012789

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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