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A012235 arcsinh(arctan(atanh(x)))=x-1/3!*x^3+17/5!*x^5-281/7!*x^7+24257/9!*x^9... 0
1, -1, 17, -281, 24257, -1331441, 275798481, -33388170825, 12274116245249, -2689107736315873, 1507045832586910737, -530866838718138680441, 415346005609060387325633, -217242204344672574488013521 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A113076 A159503 A188063 * A196743 A196901 A171322

Adjacent sequences:  A012232 A012233 A012234 * A012236 A012237 A012238

KEYWORD

sign

AUTHOR

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

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Last modified February 16 21:04 EST 2012. Contains 205969 sequences.