Numbers k such that phi(k + 7) | sigma(k).

Terms

a(0) =3a(1) =6a(2) =11a(3) =14a(4) =23a(5) =24a(6) =30a(7) =33a(8) =35a(9) =54a(10) =59a(11) =66a(12) =71a(13) =77a(14) =99a(15) =102a(16) =105a(17) =107a(18) =110a(19) =119a(20) =131a(21) =140a(22) =158a(23) =161a(24) =167a(25) =168a(26) =174a(27) =179a(28) =186a(29) =203