Expansion of e.g.f. exp(x/cos(x)*exp(x/cos(x))).
A189239
Expansion of e.g.f. exp(x/cos(x)*exp(x/cos(x))).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =77a(5) =521a(6) =4237a(7) =38879a(8) =402537a(9) =4605697a(10) =57796601a(11) =787755255a(12) =11583272461a(13) =182651526513
External references
- oeis: A189239