a(n) = (11*n + 3)^4.

Terms

a(0) =81a(1) =38416a(2) =390625a(3) =1679616a(4) =4879681a(5) =11316496a(6) =22667121a(7) =40960000a(8) =68574961a(9) =108243216a(10) =163047361a(11) =236421376a(12) =332150625a(13) =454371856a(14) =607573201a(15) =796594176a(16) =1026625681a(17) =1303210000a(18) =1632240801a(19) =2019963136a(20) =2472973441a(21) =2998219536a(22) =3603000625a(23) =4294967296a(24) =5082121521a(25) =5972816656