G.f. satisfies A(x) = exp( Sum_{k>=1} (3^k + A(x^k)) * x^k/k ).
A363541
G.f. satisfies A(x) = exp( Sum_{k>=1} (3^k + A(x^k)) * x^k/k ).
Terms
- a(0) =1a(1) =4a(2) =17a(3) =73a(4) =324a(5) =1469a(6) =6838a(7) =32490a(8) =157398a(9) =775010a(10) =3870690a(11) =19567202a(12) =99957231a(13) =515250057a(14) =2676884745a(15) =14002926871a(16) =73693381322a(17) =389904743248
External references
- oeis: A363541