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A012232 arcsin(arctan(atanh(x)))=x+1/3!*x^3+17/5!*x^5+505/7!*x^7+32321/9!*x^9... 0
1, 1, 17, 505, 32321, 3196337, 474305361, 96903709929, 26267702181889, 9102885308254561, 3930753230143374609, 2069316409758628885721, 1305070038882436410153793, 971558826878073011961325841 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A130660 A185659 A012792 * A114063 A193120 A112716

Adjacent sequences:  A012229 A012230 A012231 * A012233 A012234 A012235

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 11:46 EST 2012. Contains 206011 sequences.