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Search: id:A012234
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A012234 sinh(arctan(atanh(x)))=x+1/3!*x^3+9/5!*x^5+281/7!*x^7+13233/9!*x^9... +0
1
1, 1, 9, 281, 13233, 1179729, 144386553, 25501409961, 5869292202465, 1744083324947745, 643531258862953065, 289976769842011018425, 156375721502624955046545, 99525811638120512862203505 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A157571 A028456 A119408 this_sequence A012141 A110553 A118893

Adjacent sequences: A012231 A012232 A012233 this_sequence A012235 A012236 A012237

KEYWORD

nonn

AUTHOR

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

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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