a(n) = n^7*(n^5 + 1)/2.
A168662
a(n) = n^7*(n^5 + 1)/2.
Terms
- a(0) =0a(1) =1a(2) =2112a(3) =266814a(4) =8396800a(5) =122109375a(6) =1088531136a(7) =6921055372a(8) =34360786944a(9) =141217159725a(10) =500005000000
External references
- oeis: A168662
A168662
a(n) = n^7*(n^5 + 1)/2.