a(n) = (n^3 + n)*7^n.
A128051
a(n) = (n^3 + n)*7^n.
Terms
- a(0) =14a(1) =490a(2) =10290a(3) =163268a(4) =2184910a(5) =26118078a(6) =288240050a(7) =2997696520a(8) =29780961966a(9) =285300001490
External references
- oeis: A128051
A128051
a(n) = (n^3 + n)*7^n.