Numbers k such that 2^m == 2 (mod m*(m-1)), where m=A019320(k).

Terms

a(0) =2a(1) =3a(2) =6a(3) =7a(4) =14a(5) =19a(6) =38a(7) =42a(8) =43a(9) =86a(10) =114a(11) =127a(12) =163a(13) =254a(14) =258a(15) =326a(16) =379a(17) =487a(18) =758a(19) =762a(20) =883a(21) =974a(22) =978a(23) =1459a(24) =1766a(25) =2274a(26) =2647a(27) =2918a(28) =2922a(29) =3079