a(n) = n^13 + 13*n + 13^n.

A209261

a(n) = n^13 + 13*n + 13^n.

Terms

    a(0) =1a(1) =27a(2) =8387a(3) =1596559a(4) =67137477a(5) =1221074483a(6) =13065520903a(7) =96951759015a(8) =550571544713

External references