Numbers n such that sigma(n) = 8*phi(n).

Terms

a(0) =42a(1) =594a(2) =744a(3) =1254a(4) =7668a(5) =8680a(6) =10788a(7) =11868a(8) =12192a(9) =14630a(10) =15642a(11) =16188a(12) =25908a(13) =28458a(14) =49842a(15) =60078a(16) =70122a(17) =77142a(18) =105222a(19) =124968a(20) =125860a(21) =138460a(22) =142240a(23) =165462a(24) =168402a(25) =169608a(26) =188860a(27) =201924a(28) =242316a(29) =259160