Primes p = prime(k) such that both p+2 and prime(k+5)-2 are prime numbers.

Terms

a(0) =5a(1) =41a(2) =179a(3) =197a(4) =281a(5) =599a(6) =641a(7) =809a(8) =827a(9) =857a(10) =1061a(11) =1451a(12) =2237a(13) =2549a(14) =3119a(15) =3329a(16) =3359a(17) =3821a(18) =4001a(19) =4091a(20) =4217a(21) =5417a(22) =5441a(23) =5849a(24) =6269a(25) =6659a(26) =6761a(27) =6791a(28) =7457a(29) =7949