Primes of the form 7n^2 + 4.

Terms

a(0) =11a(1) =67a(2) =179a(3) =347a(4) =571a(5) =1187a(6) =1579a(7) =2027a(8) =2531a(9) =5107a(10) =9587a(11) =10651a(12) =15467a(13) =16811a(14) =18211a(15) =21179a(16) =24371a(17) =33331a(18) =35291a(19) =37307a(20) =41507a(21) =43691a(22) =63179a(23) =65867a(24) =68611a(25) =71411a(26) =80147a(27) =89387a(28) =99131a(29) =105907