Semiprimes k such that k is congruent to 4 modulo k's index in the sequence of semiprimes.

A357808

Semiprimes k such that k is congruent to 4 modulo k's index in the sequence of semiprimes.

Terms

    a(0) =4a(1) =6a(2) =14a(3) =115a(4) =118a(5) =178a(6) =187a(7) =214a(8) =235a(9) =3066899a(10) =3067069a(11) =3067079a(12) =3067149a(13) =3067429a(14) =3067549a(15) =3067594a(16) =3067609a(17) =3067669a(18) =3067719a(19) =3067999a(20) =44690978147a(21) =44690978217a(22) =44690978245a(23) =44690978623a(24) =44690978903a(25) =44690979022a(26) =44690979442

External references