The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #4 Feb 24 2012 12:51:11
%S 1,0,4,-6,107,-490,7780,-66045,1113185,-14056740,264337750,
%T -4409272175,93796875575,-1927625491350,46373594683000,
%U -1124449061497125,30408904419466625,-845698069130473000
%N sec(arcsin(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+107/4!*x^4-490/5!*x^5...
%K sign
%O 0,3
%A Patrick Demichel (patrick.demichel(AT)hp.com)