Semiprimes k such that k is congruent to 6 modulo k's index in the sequence of semiprimes.

Terms

a(0) =4a(1) =6a(2) =9a(3) =10a(4) =22a(5) =26a(6) =177a(7) =183a(8) =213a(9) =27662a(10) =3066886a(11) =3067021a(12) =3067161a(13) =3067166a(14) =3067186a(15) =3067241a(16) =3067271a(17) =3067421a(18) =3067426a(19) =3067541a(20) =3067561a(21) =3067571a(22) =3067586a(23) =3067661a(24) =3067681a(25) =3067711a(26) =3067741a(27) =3067901a(28) =3067906a(29) =3067991