Primes of the form (2*k^3 + 3*k^2 + k - 12)/6.

Terms

a(0) =3a(1) =53a(2) =89a(3) =283a(4) =383a(5) =1013a(6) =1783a(7) =3793a(8) =6199a(9) =12527a(10) =17573a(11) =23819a(12) =25583a(13) =31393a(14) =40423a(15) =42923a(16) =81373a(17) =111893a(18) =132347a(19) =155153a(20) =161237a(21) =187163a(22) =208333a(23) =391403a(24) =500363a(25) =597859a(26) =658873a(27) =674749a(28) =944369a(29) =1113773