Numbers k such that 4*k^2 + 9 is prime.

Terms

a(0) =1a(1) =4a(2) =5a(3) =10a(4) =16a(5) =19a(6) =20a(7) =26a(8) =29a(9) =31a(10) =35a(11) =41a(12) =44a(13) =49a(14) =50a(15) =55a(16) =56a(17) =59a(18) =70a(19) =71a(20) =80a(21) =85a(22) =94a(23) =95a(24) =100a(25) =101a(26) =106a(27) =109a(28) =110a(29) =121