a(n) = n^6*(n^6 + 1)*(n^2 - 1).
A033669
a(n) = n^6*(n^6 + 1)*(n^2 - 1).
Terms
- a(0) =0a(1) =0a(2) =12480a(3) =4257360a(4) =251719680a(5) =5859750000a(6) =76189014720a(7) =664387432800
External references
- oeis: A033669
A033669
a(n) = n^6*(n^6 + 1)*(n^2 - 1).