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 A317182 #20 Jul 30 2025 15:21:12 %S A317182 3,15,35,48,63,99,128,135,143,195,231,240,243,255,275,320,323,351,384, %T A317182 399,455,483,495,560,575,576,663,675,735,768,783,819,855,896,899,935, %U A317182 975,1008,1023,1071,1155,1215,1235,1280,1295,1311,1344,1443,1463,1536,1539 %N A317182 Numbers k such that k = 16*area(T)^2 for an integer triangle, T. %C A317182 The possible lengths of the chord connecting the cusps of the lens-like intersection area between two circles with integer radii and integer distance d between their centers are of the form sqrt(a(n))/d. - _Hugo Pfoertner_, Sep 05 2020 %H A317182 Lars Blomberg, <a href="/A317182/b317182.txt">Table of n, a(n) for n = 1..10000</a> %H A317182 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Circle-CircleIntersection.html">Circle-Circle Intersection</a> %Y A317182 Cf. A316841. %Y A317182 Sorted and uniqued values of A135622 or A316853. %K A317182 nonn %O A317182 1,1 %A A317182 _N. J. A. Sloane_, Jul 25 2018 %E A317182 More terms from _Lars Blomberg_, Apr 25 2019 %E A317182 Name edited by _Peter Munn_, Jul 30 2025