Numbers k such that 7*k + 6 is prime.

Terms

a(0) =1a(1) =5a(2) =11a(3) =13a(4) =19a(5) =23a(6) =25a(7) =31a(8) =35a(9) =41a(10) =43a(11) =49a(12) =59a(13) =61a(14) =65a(15) =71a(16) =83a(17) =85a(18) =91a(19) =103a(20) =109a(21) =113a(22) =115a(23) =119a(24) =121a(25) =125a(26) =133a(27) =145a(28) =149a(29) =151