Numbers k such that k, 2*m +- 3 and 3*m +- 2 are all semiprimes.

Terms

a(0) =451a(1) =707a(2) =871a(3) =1313a(4) =1537a(5) =1819a(6) =1921a(7) =1969a(8) =2155a(9) =2195a(10) =2533a(11) =2599a(12) =2885a(13) =2993a(14) =3265a(15) =3817a(16) =3883a(17) =3953a(18) =3997a(19) =4069a(20) =4105a(21) =4385a(22) =4555a(23) =4607a(24) =5599a(25) =5755a(26) =5771a(27) =6155a(28) =6415a(29) =6773