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A012114 arctan(arcsin(arcsinh(x)))=x-2/3!*x^3+32/5!*x^5-1112/7!*x^7+76544/9!*x^9... 1
1, -2, 32, -1112, 76544, -8132992, 1287179904, -277075027200, 78957666709504, -28538628272500736, 12818361767117881344, -6984131400017632559104, 4545914404919471492988928 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A012233 A012119 A012198 * A055929 A012237 A012093

Adjacent sequences:  A012111 A012112 A012113 * A012115 A012116 A012117

KEYWORD

sign

AUTHOR

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

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.