A013247 - OEIS

%I #7 Aug 02 2018 17:53:54

%S 0,0,-1,4,-6,0,-135,1860,-10780,48160,-705285,12356100,-144752850,

%T 1590732000,-25870559715,486296892900,-8228037051000,144968627793600,

%U -3059375913585225,67951188182650500

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

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

%K sign

%O 0,4

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

%E a(0)=a(1)=0 inserted and title improved by _Sean A. Irvine_, Aug 02 2018