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 A093735 #8 Feb 16 2025 08:32:53 %S A093735 1,1,1,4,1,3,9,9,3,14,64,8,64,14,95,125,125,125,125,95,41,54,27,68,27, %T A093735 54,41,5257,25039,343,20923,20923,343,25039,5257,3956,23552,-3712, %U A093735 41984,-3632,41984,-3712,23552,3956,25713,141669,243,10881,26001,26001 %N A093735 Numerators of Newton-Cotes formulas. %H A093735 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Newton-CotesFormulas.html">Newton-Cotes Formulas</a> %e A093735 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 A093735 Cf. A093736. %K A093735 sign,frac %O A093735 1,4 %A A093735 _Eric W. Weisstein_, Apr 14 2004