Smallest prime divisor of 4n^2+3 that is of the form 6k+1.

Terms

a(0) =7a(1) =19a(2) =13a(3) =67a(4) =103a(5) =7a(6) =199a(7) =7a(8) =109a(9) =13a(10) =487a(11) =193a(12) =7a(13) =787a(14) =7a(15) =13a(16) =19a(17) =433a(18) =1447a(19) =7a(20) =19a(21) =7a(22) =13a(23) =769a(24) =2503a(25) =2707a(26) =7a(27) =43a(28) =7a(29) =1201