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Search: id:A012807
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A012807 sinh(sec(x)*arctan(x))=x+2/3!*x^3+40/5!*x^5+576/7!*x^7+46208/9!*x^9... +0
1
1, 2, 40, 576, 46208, 1293184, 309637120, 5786437632, 7315622592512, -347058934743040, 483735262691819520, -91992936989187702784, 74923051609806418739200, -28841683494637052911157248 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A035604 A108033 A160229 this_sequence A127186 A139747 A012637

Adjacent sequences: A012804 A012805 A012806 this_sequence A012808 A012809 A012810

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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