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A012095 arctanh(arcsin(arctan(x))) = x + 1/3!*x^3 + 17/5!*x^5 + 225/7!*x^7 + 19745/9!*x^9 + ... 0
1, 1, 17, 225, 19745, 613889, 165999025, 6543673313, 5318503266369, 97941778159361, 473023280425720657, -24807619116269601823, 96456947558141320688993, -18191159887705677530042623, 39579539155416746718880624881, -15661645517509146973335115013919 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..15.

CROSSREFS

Sequence in context: A081044 A016227 A155001 * A296999 A140842 A087608

Adjacent sequences:  A012092 A012093 A012094 * A012096 A012097 A012098

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

STATUS

approved

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Last modified April 14 10:14 EDT 2021. Contains 342949 sequences. (Running on oeis4.)