n^4 + n-th prime.

Terms

a(0) =3a(1) =19a(2) =86a(3) =263a(4) =636a(5) =1309a(6) =2418a(7) =4115a(8) =6584a(9) =10029a(10) =14672a(11) =20773a(12) =28602a(13) =38459a(14) =50672a(15) =65589a(16) =83580a(17) =105037a(18) =130388a(19) =160071a(20) =194554a(21) =234335a(22) =279924a(23) =331865a(24) =390722a(25) =457077a(26) =531544a(27) =614763a(28) =707390a(29) =810113