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sec(tanh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+21/4!*x^4+100/5!*x^5...
0

%I #4 Feb 24 2012 12:51:04

%S 1,0,1,6,21,100,957,8498,70217,762696,9950809,128378910,1775380893,

%T 28325140012,483428842197,8558590549322,163465935697169,

%U 3367220579004048,72712394227734577,1648059951297530166

%N sec(tanh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+21/4!*x^4+100/5!*x^5...

%K nonn

%O 0,4

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