Odd numbers k such that the ring of integers of Q(5^(1/k)) is not Z[5^(1/k)].

Terms

a(0) =20771a(1) =40487a(2) =62313a(3) =103855a(4) =121461a(5) =145397a(6) =186939a(7) =202435a(8) =228481a(9) =270023a(10) =283409a(11) =311565a(12) =353107a(13) =364383a(14) =394649a(15) =436191a(16) =445357a(17) =477733a(18) =519275a(19) =526331a(20) =560817a(21) =602359a(22) =607305a(23) =643901a(24) =685443a(25) =688279a(26) =726985a(27) =768527a(28) =769253a(29) =810069