A013213 - OEIS

%I #7 Aug 01 2018 22:05:43

%S 0,0,-1,3,-6,23,-90,91,2520,-37549,453600,-4950539,46054008,

%T -322939255,209249040,58871058247,-1726916711520,36675055548935,

%U -665460508297536,10471928861164609,-129836456400150520

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

%e -1/2!*x^2 + 3/3!*x^3 - 6/4!*x^4 + 23/5!*x^5 ...

%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 01 2018