A012666 - OEIS

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A012666

sinh(tanh(x)*arcsin(x))=2/2!*x^2-4/4!*x^4+230/6!*x^6-3848/8!*x^8...

0

2, -4, 230, -3848, 497098, -14513420, 5158219950, -47697728016, 177486854140818, 15468174530073068, 17111710452932214902, 4853812039531225331432, 4006433870309112576215386

(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: A111162 A018715 A018720 * A012612 A012560 A012556

Adjacent sequences: A012663 A012664 A012665 * A012667 A012668 A012669

KEYWORD

sign

AUTHOR

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

STATUS

approved