Primes of the form 2k^2 + k + 2.

Terms

a(0) =2a(1) =5a(2) =23a(3) =107a(4) =173a(5) =353a(6) =467a(7) =743a(8) =1277a(9) =1487a(10) =2213a(11) =2777a(12) =3083a(13) =10733a(14) =14537a(15) =15227a(16) =17393a(17) =18917a(18) =21323a(19) =22157a(20) =23873a(21) =33413a(22) =36587a(23) =38783a(24) =42197a(25) =50723a(26) =54617a(27) =71633a(28) =94397a(29) =101477