Numbers n such that n | 7^n + 5^n + 3^n +1.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =14a(6) =28a(7) =78a(8) =98a(9) =148a(10) =196a(11) =686a(12) =689a(13) =1014a(14) =1372a(15) =1751a(16) =2724a(17) =4134a(18) =4802a(19) =5154a(20) =5819a(21) =9604a(22) =10094a(23) =12246a(24) =13182a(25) =19306a(26) =19796a(27) =33614a(28) =50764a(29) =53742