Primes of the form 20*k^2 + 32*k + 13.

Terms

a(0) =13a(1) =157a(2) =461a(3) =673a(4) =1217a(5) =1549a(6) =2333a(7) =4993a(8) =6337a(9) =7069a(10) =7841a(11) =11329a(12) =12301a(13) =13313a(14) =17761a(15) =18973a(16) =21517a(17) =25633a(18) =30109a(19) =36637a(20) =41953a(21) =45697a(22) =47629a(23) =51613a(24) =62273a(25) =69149a(26) =78877a(27) =81409a(28) =97441a(29) =105997