a(n) = n^(n+3) + (n+3)^n.

A155539

a(n) = n^(n+3) + (n+3)^n.

Terms

    a(0) =1a(1) =5a(2) =57a(3) =945a(4) =18785a(5) =423393a(6) =10609137a(7) =292475249a(8) =8804293473a(9) =287589316833

External references