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 A093736 #8 Feb 16 2025 08:32:53 %S A093736 2,2,3,3,3,8,8,8,8,45,45,15,45,45,288,96,144,144,96,288,140,35,140,35, %T A093736 140,35,140,17280,17280,640,17280,17280,640,17280,17280,14175,14175, %U A093736 14175,14175,2835,14175,14175,14175,14175,89600,89600,2240,5600,44800 %N A093736 Denominators of Newton-Cotes formulas. %H A093736 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Newton-CotesFormulas.html">Newton-Cotes Formulas</a> %e A093736 1/2, 1/2; 1/3, 4/3, 1/3; 3/8, 9/8, 9/8, 3/8; 14/45, 64/45, 8/15, 64/45, 14/45; ... %Y A093736 Cf. A093735. %K A093736 nonn,frac %O A093736 1,1 %A A093736 _Eric W. Weisstein_, Apr 14 2004