A013247 Expansion of e.g.f. arcsin(log(x+1) - arctan(x)).

0, 0, -1, 4, -6, 0, -135, 1860, -10780, 48160, -705285, 12356100, -144752850, 1590732000, -25870559715, 486296892900, -8228037051000, 144968627793600, -3059375913585225, 67951188182650500

Offset

0,4

Links

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

Example

-1/2!*x^2 + 4/3!*x^3 - 6/4!*x^4 - 135/6!*x^6 ...

Crossrefs

Sequence in context: A013246 A013252 A013251 * A013248 A013254 A094920

Adjacent sequences: A013244 A013245 A013246 * A013248 A013249 A013250

Keyword

sign

Author

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

Extensions

a(0)=a(1)=0 inserted and title improved by Sean A. Irvine, Aug 02 2018

Status

approved