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 A359934 #7 Jan 22 2023 08:59:14 %S A359934 84,1524,15436,81980,318740,1024312 %N A359934 Number of edges among all distinct circles that can be constructed from an n x n square grid of points using only a compass. %C A359934 A circle is constructed for every pair of the n x n points, the first point defines the circle's center while the second the radius distance. The number of distinct circles constructed from the n x n points is A359931(n). %C A359934 No formula for a(n) is known. %C A359934 See A359932 and A359933 for images of the circles. %F A359934 a(n) = A359932(n) + A359933(n) - 1 by Euler's formula. %Y A359934 Cf. A359932 (vertices), A359933 (regions), A359935 (k-gons), A359931 (distinct circles), A359861, A359254. %K A359934 nonn,more %O A359934 2,1 %A A359934 _Scott R. Shannon_, Jan 21 2023