Expansion of e.g.f. sec(exp(x) - 1) + tan(exp(x) - 1).
A317022
Expansion of e.g.f. sec(exp(x) - 1) + tan(exp(x) - 1).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =25a(5) =132a(6) =838a(7) =6209a(8) =52592a(9) =501238a(10) =5308295a(11) =61839954a(12) =785915626a(13) =10820482467a(14) =160436371306
External references
- oeis: A317022