a(n) = n^4 + 1.

Terms

a(0) =1a(1) =2a(2) =17a(3) =82a(4) =257a(5) =626a(6) =1297a(7) =2402a(8) =4097a(9) =6562a(10) =10001a(11) =14642a(12) =20737a(13) =28562a(14) =38417a(15) =50626a(16) =65537a(17) =83522a(18) =104977a(19) =130322a(20) =160001a(21) =194482a(22) =234257a(23) =279842a(24) =331777a(25) =390626a(26) =456977a(27) =531442a(28) =614657a(29) =707282