Expansion of e.g.f. exp(x)*(1+tan(x))/((1-tan(x))*(tan(x)+sec(x))).
A292757
Expansion of e.g.f. exp(x)*(1+tan(x))/((1-tan(x))*(tan(x)+sec(x))).
Terms
- a(0) =1a(1) =2a(2) =4a(3) =15a(4) =72a(5) =467a(6) =3534a(7) =31675a(8) =321832a(9) =3692927a(10) =46988914a(11) =658330035a(12) =10056866292a(13) =166476324887
External references
- oeis: A292757