a(n) = n^4*(n^10 + 1)/2.

A168346

a(n) = n^4*(n^10 + 1)/2.

Terms

    a(0) =0a(1) =1a(2) =8200a(3) =2391525a(4) =134217856a(5) =3051758125a(6) =39182082696a(7) =339111537625

External references