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A012594 sec(arcsinh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+25/4!*x^4+140/5!*x^5... 0

%I

%S 1,0,1,6,25,140,1225,11410,110353,1260696,16597745,233501598,

%T 3534940649,58867014180,1060745261433,20315286728490,414362268698017,

%U 9016753267197744,207836963025430369,5046234392527982902

%N sec(arcsinh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+25/4!*x^4+140/5!*x^5...

%K nonn

%O 0,4

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

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Last modified August 14 04:13 EDT 2020. Contains 336477 sequences. (Running on oeis4.)