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A012954 arcsinh(tan(x)+arcsin(x))=2*x-5/3!*x^3+193/5!*x^5-16543/7!*x^7... 0
2, -5, 193, -16543, 2878153, -818673803, 348172234837, -206572325773903, 163130348972145393, -165417368904178869075, 209489646598962151351501, -324053551878860145326926775, 601237252095423311815599678441 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..12.

CROSSREFS

Sequence in context: A319143 A100366 A012975 * A006271 A013105 A208210

Adjacent sequences:  A012951 A012952 A012953 * A012955 A012956 A012957

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified January 28 03:49 EST 2020. Contains 331317 sequences. (Running on oeis4.)