Numbers k such that phi(k + 7) | sigma(k) for k not congruent to 0 (mod 3).

Terms

a(0) =11a(1) =14a(2) =23a(3) =35a(4) =59a(5) =71a(6) =77a(7) =107a(8) =110a(9) =119a(10) =131a(11) =140a(12) =158a(13) =161a(14) =167a(15) =179a(16) =203a(17) =239a(18) =251a(19) =253a(20) =280a(21) =287a(22) =290a(23) =304a(24) =311a(25) =329a(26) =347a(27) =359a(28) =371a(29) =383