E.g.f.: Sum_{n>=0} x^n * exp( 2*x*exp(n*x) ) / n!.
A340913
E.g.f.: Sum_{n>=0} x^n * exp( 2*x*exp(n*x) ) / n!.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =39a(4) =249a(5) =2083a(6) =21309a(7) =258891a(8) =3676465a(9) =60188355a(10) =1120986549a(11) =23477257147a(12) =547630675689
External references
- oeis: A340913