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A012784 arcsin(sec(x)*arcsin(x))=x+5/3!*x^3+93/5!*x^5+4545/7!*x^7+443065/9!*x^9... 0
1, 5, 93, 4545, 443065, 72439325, 17846988885, 6173626900441, 2852644920170097, 1696726612682937781, 1262481961197490093645, 1148731484660194718055025, 1254736888520332652127806761 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A152283 A205344 A000365 * A015030 A136097 A047052

Adjacent sequences:  A012781 A012782 A012783 * A012785 A012786 A012787

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 11:20 EST 2012. Contains 205907 sequences.