a(n) = [x^n] Product_{k>=1} (1 + n^(k+1)*x^k) / (1 - n^(k+1)*x^k).
A346454
a(n) = [x^n] Product_{k>=1} (1 + n^(k+1)*x^k) / (1 - n^(k+1)*x^k).
Terms
- a(0) =1a(1) =2a(2) =48a(3) =2592a(4) =223232a(5) =31125000a(6) =6446926080
External references
- oeis: A346454