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 A033421 #17 Mar 14 2025 10:42:44 %S A033421 1000,500,333,250,200,166,142,125,111,100,90,83,76,71,66,62,58,55,52, %T A033421 50,47,45,43,41,40,38,37,35,34,33,32,31,30,29,28,27,27,26,25,25,24,23, %U A033421 23,22,22,21,21,20,20,20,19,19,18,18,18,17,17,17,16,16,16,16 %N A033421 a(n) = floor(1000/n). %H A033421 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1). %t A033421 Floor[1000/Range[70]] (* _Harvey P. Dale_, Aug 05 2014 *) %o A033421 (Magma) [Floor(1000/n): n in [1..80]]; // _Wesley Ivan Hurt_, Apr 04 2023 %o A033421 (PARI) a(n) = 1000\n; \\ _Seiichi Manyama_, Aug 12 2023 %Y A033421 Cf. A033420, A033422, A033423, A033424, A033425, A033426, A057072. %K A033421 easy,nonn %O A033421 1,1 %A A033421 _Jeff Burch_ %E A033421 Corrected and extended by _Harvey P. Dale_, Aug 05 2014