Expansion of Sum_{k>=0} (k * x * (1 + x^3))^k.
A360728
Expansion of Sum_{k>=0} (k * x * (1 + x^3))^k.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =27a(4) =257a(5) =3133a(6) =46737a(7) =824567a(8) =16792845a(9) =387700506a(10) =10005766337a(11) =285445919589
External references
- oeis: A360728