a(n) = (n - 1)*prime(n + 1).

Terms

a(0) =0a(1) =5a(2) =14a(3) =33a(4) =52a(5) =85a(6) =114a(7) =161a(8) =232a(9) =279a(10) =370a(11) =451a(12) =516a(13) =611a(14) =742a(15) =885a(16) =976a(17) =1139a(18) =1278a(19) =1387a(20) =1580a(21) =1743a(22) =1958a(23) =2231a(24) =2424a(25) =2575a(26) =2782a(27) =2943a(28) =3164a(29) =3683