Numbers n such that n | 9^n + 7^n + 5^n + 3^n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =9a(5) =27a(6) =51a(7) =81a(8) =82a(9) =207a(10) =243a(11) =297a(12) =729a(13) =2187a(14) =2277a(15) =4131a(16) =6561a(17) =9668a(18) =10233a(19) =17457a(20) =19683a(21) =24057a(22) =27028a(23) =30699a(24) =33777a(25) =33849a(26) =50301a(27) =52351a(28) =56727a(29) =59049