Nexus numbers (n+1)^12-n^12.

Terms

a(0) =1a(1) =4095a(2) =527345a(3) =16245775a(4) =227363409a(5) =1932641711a(6) =11664504865a(7) =54878189535a(8) =213710059745a(9) =717570463519