Numbers k such that phi(k + 12) | sigma(k) + 12.

Terms

a(0) =3a(1) =6a(2) =10a(3) =12a(4) =14a(5) =15a(6) =22a(7) =24a(8) =26a(9) =30a(10) =34a(11) =42a(12) =44a(13) =46a(14) =62a(15) =69a(16) =74a(17) =82a(18) =94a(19) =106a(20) =114a(21) =118a(22) =122a(23) =134a(24) =135a(25) =146a(26) =166a(27) =194a(28) =198a(29) =202