This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A031946 #14 Oct 09 2022 12:12:29 %S A031946 694,698,714,722,738,742,894,898,954,970,978,990,1014,1022,1054,1070, %T A031946 1102,1110,1138,1142,1178,1190,1202,1210,1294,1298,1334,1346,1358, %U A031946 1366,1394,1398,1454,1470,1478,1490,1634,1646,1654,1670,1726,1730,1758,1766 %N A031946 Numbers whose base-5 expansions have 5 distinct digits. %C A031946 In other words, numbers in which 0,1,2,3,4 all occur in base 5. %e A031946 a(1) = 10234_5 = 694; %e A031946 a(96) = 43210_5 = 2930. %Y A031946 A supersequence of A049356. The first 96 (=4*4!) terms of this sequence and of A049356 are identical. a(97) = 100234_5 = 3194. %K A031946 nonn,base %O A031946 1,1 %A A031946 _Clark Kimberling_ %E A031946 Edited by _Rick L. Shepherd_, Jun 22 2003