Numbers k that divide 5^k + 4^k.

Terms

a(0) =1a(1) =3a(2) =9a(3) =21a(4) =27a(5) =63a(6) =81a(7) =147a(8) =189a(9) =243a(10) =441a(11) =567a(12) =729a(13) =903a(14) =1029a(15) =1323a(16) =1701a(17) =2187a(18) =2667a(19) =2709a(20) =2943a(21) =3087a(22) =3969a(23) =5103a(24) =6321a(25) =6561a(26) =7203a(27) =8001a(28) =8127a(29) =8829