a(n) = n^(n+1) - n + 1.

A014293

a(n) = n^(n+1) - n + 1.

Terms

    a(0) =1a(1) =1a(2) =7a(3) =79a(4) =1021a(5) =15621a(6) =279931a(7) =5764795a(8) =134217721a(9) =3486784393a(10) =99999999991

External references