Composite numbers k such that phi(k) + 2 | sigma(k).

Terms

a(0) =6a(1) =10a(2) =14a(3) =22a(4) =24a(5) =26a(6) =27a(7) =28a(8) =34a(9) =38a(10) =40a(11) =45a(12) =46a(13) =54a(14) =58a(15) =62a(16) =74a(17) =82a(18) =86a(19) =90a(20) =94a(21) =106a(22) =118a(23) =122a(24) =132a(25) =134a(26) =142a(27) =146a(28) =158a(29) =166