A013133 - OEIS

A013133

exp(tanh(x)+tan(x))=1+2*x+4/2!*x^2+8/3!*x^3+16/4!*x^4+64/5!*x^5...

%I #4 Feb 24 2012 12:51:20

%S 1,2,4,8,16,64,448,2816,14592,80896,705536,7278592,65245184,532070400,

%T 5385535488,71008190464,910402060288,10323887915008,124371776831488,

%U 1895043049717760,30930578556583936

%N exp(tanh(x)+tan(x))=1+2*x+4/2!*x^2+8/3!*x^3+16/4!*x^4+64/5!*x^5...

%K nonn

%O 0,2

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