E.g.f. A(x) satisfies A( x/(exp(x)*cosh(x)) ) = exp(2*x)*cosh(2*x).
A218300
E.g.f. A(x) satisfies A( x/(exp(x)*cosh(x)) ) = exp(2*x)*cosh(2*x).
Terms
- a(0) =1a(1) =2a(2) =12a(3) =104a(4) =1216a(5) =18112a(6) =329600a(7) =7108096a(8) =177549312a(9) =5046554624a(10) =160947232768
External references
- oeis: A218300