k is the first integer such that phi(k) + n | sigma(k).

Terms

a(0) =1a(1) =6a(2) =2a(3) =12a(4) =6a(5) =4a(6) =14a(7) =9a(8) =22a(9) =26a(10) =6a(11) =8a(12) =24a(13) =20a(14) =10a(15) =45a(16) =15a(17) =58a(18) =14a(19) =117a(20) =21a(21) =74a(22) =24a(23) =16a(24) =12a(25) =52a(26) =22a(27) =169a(28) =30a(29) =40