Semiprimes n such that 3*n - 2 is a square.

Terms

a(0) =6a(1) =9a(2) =22a(3) =34a(4) =57a(5) =86a(6) =121a(7) =134a(8) =177a(9) =209a(10) =226a(11) =262a(12) =321a(13) =386a(14) =482a(15) =706a(16) =737a(17) =1046a(18) =1241a(19) =1282a(20) =1366a(21) =1497a(22) =1681a(23) =1977a(24) =2582a(25) =2641a(26) =2761a(27) =3202a(28) =3334a(29) =3401