Prime numbers 3*n-2 such that n, 2*n-1 and 3*n-2 are prime.

Terms

a(0) =7a(1) =19a(2) =109a(3) =631a(4) =811a(5) =919a(6) =991a(7) =1009a(8) =1801a(9) =2179a(10) =3511a(11) =3709a(12) =3889a(13) =4591a(14) =4969a(15) =6661a(16) =6841a(17) =7669a(18) =9109a(19) =9181a(20) =9199a(21) =12781a(22) =13339a(23) =14401a(24) =14851a(25) =15679a(26) =16741a(27) =17551a(28) =18451a(29) =19081