E.g.f.: (exp(-x) - exp(x) - 2)/(exp(-x) + exp(x) - 4).
A375381
E.g.f.: (exp(-x) - exp(x) - 2)/(exp(-x) + exp(x) - 4).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =7a(5) =46a(6) =121a(7) =1114a(8) =3907a(9) =46246a(10) =202741a(11) =2933074a(12) =15430207a(13) =263817646a(14) =1619195761a(15) =31943268634a(16) =224061282907
External references
- oeis: A375381