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 A063761 #8 May 12 2023 22:07:37 %S A063761 5,2,9,8,4,6,7,3,1,0,50,55,52,59,54,56,57,53,58,51,19,17,18,10,12,90, %T A063761 95,92,99,94,96,97,93,98,91,80,85,82,89,84,86,87,83,88,81,40,45,42,49, %U A063761 44,46,47,43,48,41,14,15,16,60,65,62,69,64,66,67,63,68,61,70,75,72,79,74,76,77,73,78,71,13,30,35,32,39,34,36,37,33,38,31,11,20,25,22,29,24,26,27,23,28,21 %N A063761 Arrange 1-digit numbers in alphabetical order in Italian, then the 2-digit numbers, then the 3-digit numbers, etc. %e A063761 5 = cinque, 2 = due, 9 = nove, 8 = otto, ... %Y A063761 Cf. A000052. %K A063761 easy,nonn,word,base %O A063761 0,1 %A A063761 Roberto Callegari (calleg(AT)dnet.it), Aug 14 2001 %E A063761 Duplicate 99 removed and extended to all 2-digit numbers by _Sean A. Irvine_, May 12 2023