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 A008519 #21 Aug 12 2023 23:01:18 %S A008519 0,1,2,4,14,21,22,24,31,32,34,40,41,42,43,44,45,46,47,48,49,51,52,54, %T A008519 61,62,64,71,72,74,81,82,84,91,92,94,100,101,102,103,104,105,106,107, %U A008519 108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123 %N A008519 Numbers whose American English name contains the letter 'o'. %H A008519 Paolo Xausa, <a href="/A008519/b008519.txt">Table of n, a(n) for n = 1..10000</a> %t A008519 A008519Q[n_]:=StringContainsQ[IntegerName[n,"Words"],"o"];Select[Range[0,200],A008519Q] (* _Paolo Xausa_, Aug 10 2023 *) %Y A008519 Cf. A008520 (e), A008522 (t), A008536 (n), A008538 (s), A008540 (f), A008553 (y). %K A008519 nonn,word %O A008519 1,3 %A A008519 _N. J. A. Sloane_ %E A008519 Name edited by _Paolo Xausa_, Aug 12 2023