a(n) = (11*n + 8)^4.

Terms

a(0) =4096a(1) =130321a(2) =810000a(3) =2825761a(4) =7311616a(5) =15752961a(6) =29986576a(7) =52200625a(8) =84934656a(9) =131079601a(10) =193877776a(11) =276922881a(12) =384160000a(13) =519885601a(14) =688747536a(15) =895745041a(16) =1146228736a(17) =1445900625a(18) =1800814096a(19) =2217373921a(20) =2702336256a(21) =3262808641a(22) =3906250000a(23) =4640470641