Expansion of Sum_{k>=0} (x * (k + x^3))^k.
A360776
Expansion of Sum_{k>=0} (x * (k + x^3))^k.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =27a(4) =257a(5) =3129a(6) =46683a(7) =823799a(8) =16780342a(9) =387467154a(10) =10000823639a(11) =285328449077
External references
- oeis: A360776