E.g.f. A(x) satisfies A( x/(exp(3*x)*cosh(3*x)) ) = exp(4*x)*cosh(4*x).
A218309
E.g.f. A(x) satisfies A( x/(exp(3*x)*cosh(3*x)) ) = exp(4*x)*cosh(4*x).
Terms
- a(0) =1a(1) =4a(2) =56a(3) =1264a(4) =40640a(5) =1711744a(6) =89533184a(7) =5607463936a(8) =409621790720
External references
- oeis: A218309