E.g.f.: cosh(exp(x)-cos(x))=1+1/2!*x^2+6/3!*x^3+17/4!*x^4+40/5!*x^5...

A013319

E.g.f.: cosh(exp(x)-cos(x))=1+1/2!*x^2+6/3!*x^3+17/4!*x^4+40/5!*x^5...

Terms

    a(0) =1a(1) =0a(2) =1a(3) =6a(4) =17a(5) =40a(6) =217a(7) =1358a(8) =6449a(9) =29712a(10) =182049a(11) =1270390a(12) =8227617a(13) =52843960a(14) =383647513a(15) =3038764542a(16) =23995450017a(17) =191131924256

External references