Numbers k such that sigma(prime(k) + 1) == 0 (mod k).

Terms

a(0) =1a(1) =3a(2) =6a(3) =12a(4) =14a(5) =28a(6) =30a(7) =40a(8) =42a(9) =91a(10) =93a(11) =162a(12) =210a(13) =217a(14) =240a(15) =312a(16) =360a(17) =372a(18) =399a(19) =420a(20) =504a(21) =672a(22) =896a(23) =1056a(24) =1058a(25) =1428a(26) =1968a(27) =2064a(28) =2184a(29) =2616