Primes of the form 8*n^2 + 4*n + 1.

Terms

a(0) =13a(1) =41a(2) =313a(3) =421a(4) =1013a(5) =1201a(6) =1861a(7) =2113a(8) =2381a(9) =3613a(10) =5101a(11) =7321a(12) =9941a(13) =10513a(14) =13613a(15) =14281a(16) =16381a(17) =20201a(18) =21013a(19) =21841a(20) =24421a(21) =30013a(22) =34061a(23) =41761a(24) =47741a(25) =51521a(26) =52813a(27) =54121a(28) =59513a(29) =60901