A012576 Expansion of e.g.f. arctan(arcsinh(x) * log(x+1)).

0, 0, 2, -3, 4, -20, -82, 1701, -13176, 102096, -499878, -4097115, 139441740, -2543404500, 36360855750, -325904118435, -572181239280, 111107478652800, -3446722823542350, 73786652661818925

Offset

0,3

Links

Table of n, a(n) for n=0..19.

Example

2/2!*x^2 - 3/3!*x^3 + 4/4!*x^4 - 20/5!*x^5 ...

Crossrefs

Sequence in context: A268349 A333690 A107241 * A012579 A381016 A012283

Adjacent sequences: A012573 A012574 A012575 * A012577 A012578 A012579

Keyword

sign

Author

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

Extensions

a(0) and a(1) inserted and title improved by Sean A. Irvine, Jul 19 2018

Status

approved