Composite n such that n reduced mod(phi(n)) = sigma(n) reduced mod(n).

Terms

a(0) =6a(1) =56a(2) =260a(3) =780a(4) =992a(5) =1976a(6) =2156a(7) =3696a(8) =5520a(9) =13800a(10) =16256a(11) =19872a(12) =22560a(13) =23688a(14) =25232a(15) =41072a(16) =87000a(17) =89964a(18) =133984a(19) =145888a(20) =366720a(21) =785808a(22) =851760a(23) =1100864a(24) =1235052a(25) =1270208a(26) =1439552a(27) =1470720a(28) =2129400a(29) =2237888