Primes q such that 15*q-4, 15*q-2, 15*q+2 and 15*q+4 are all primes.

Terms

a(0) =7a(1) =13a(2) =139a(3) =1049a(4) =4481a(5) =8147a(6) =11047a(7) =11411a(8) =13049a(9) =17191a(10) =17921a(11) =25913a(12) =26321a(13) =28057a(14) =30169a(15) =33349a(16) =37561a(17) =38177a(18) =40487a(19) =42139a(20) =60493a(21) =65563a(22) =72871a(23) =74507a(24) =74521a(25) =77041a(26) =77069a(27) =93491a(28) =112363a(29) =127849