G.f. satisfies A(x) = exp( Sum_{k>=1} (4 + A(x^k)) * x^k/k ).
A363508
G.f. satisfies A(x) = exp( Sum_{k>=1} (4 + A(x^k)) * x^k/k ).
Terms
- a(0) =1a(1) =5a(2) =20a(3) =80a(4) =340a(5) =1516a(6) =7046a(7) =33736a(8) =165436a(9) =826566a(10) =4193348a(11) =21542664a(12) =111848161a(13) =585949358a(14) =3093526496a(15) =16442687695a(16) =87914559018a(17) =472522551440
External references
- oeis: A363508