Numbers k such that 16*k+1, 16*k+3 and 16*k+13 are primes.

Terms

a(0) =1a(1) =40a(2) =106a(3) =133a(4) =250a(5) =265a(6) =271a(7) =280a(8) =295a(9) =313a(10) =418a(11) =580a(12) =691a(13) =736a(14) =748a(15) =826a(16) =946a(17) =1231a(18) =1240a(19) =1435a(20) =1471a(21) =1561a(22) =1756a(23) =2023a(24) =2035a(25) =2038a(26) =2101a(27) =2575a(28) =2728a(29) =2878