phi(n) + 8 | sigma(n).

Terms

a(0) =22a(1) =44a(2) =60a(3) =84a(4) =120a(5) =132a(6) =135a(7) =140a(8) =156a(9) =204a(10) =228a(11) =231a(12) =270a(13) =276a(14) =348a(15) =372a(16) =375a(17) =444a(18) =462a(19) =492a(20) =496a(21) =516a(22) =525a(23) =532a(24) =564a(25) =636a(26) =660a(27) =700a(28) =708a(29) =726