A012970 - OEIS

A012970

sec(arctan(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+83/4!*x^4-460/5!*x^5...

%I #4 Feb 24 2012 12:51:14

%S 1,0,4,-6,83,-460,5470,-53130,722585,-9842040,159135400,-2720898950,

%T 51918624875,-1059369023700,23452521576250,-553824975590250,

%U 13985888446648625,-374715350908366000,10638956635471235500

%N sec(arctan(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+83/4!*x^4-460/5!*x^5...

%K sign

%O 0,3

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