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 A125506 #10 Aug 18 2022 08:44:36 %S A125506 0,1,2,3,4,5,6,7,8,9,14,15,18,19,21,23,24,25,26,27,28,29,31,34,35,36, %T A125506 37,38,39,45,48,58,61,64,65,67,68,69,71,74,75,78,79,94,95,98,145,148, %U A125506 158,194,195,198,214,215,218,219,231,234,235,236,237,238,239,245 %N A125506 Numbers with distinct digits in reverse alphabetical order (in English). %C A125506 Largest term is 236719458. %H A125506 Michael S. Branicky, <a href="/A125506/b125506.txt">Table of n, a(n) for n = 1..512</a> %o A125506 (Python) %o A125506 from itertools import combinations %o A125506 afull = [0] + sorted(int("".join(t)) for d in range(1, 11) for t in combinations("236719458", d)) %o A125506 print(afull[:64]) # _Michael S. Branicky_, Aug 18 2022 %Y A125506 Cf. A053433 Numbers with distinct digits in alphabetical order (in English). %Y A125506 Cf. A001058. %K A125506 easy,fini,nonn,word,base,full %O A125506 1,3 %A A125506 _Tanya Khovanova_, Jan 18 2007 %E A125506 a(47) and beyond from _Michael S. Branicky_, Aug 18 2022