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Denominators of the squared radii corresponding to circular disks covering record numbers of grid points A346993 of the square lattice.
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%I #13 Aug 24 2021 08:59:52

%S 1,4,2,1,4,16,1,2,50,18,4,36,1,4,2,4,722,16,2,50,1,4,18,1682,100,2,1,

%T 25,2178,50,2,4,1,64,196,1,242,2178,242,25,1,4,578,98,9,4,2,338,18,

%U 3698,3844,98,98,400,3844

%N Denominators of the squared radii corresponding to circular disks covering record numbers of grid points A346993 of the square lattice.

%H Hugo Pfoertner, <a href="http://www.randomwalk.de/sequences/a346993.pdf">Visualization of configurations with maximum number of covered grid points</a>.

%e 0/1, 1/4, 1/2, 1/1, 5/4, 25/16, 2/1, 5/2, 169/50, 65/18, 17/4, 169/36, ...

%e For detailed examples see A346993 and the linked pdf.

%Y The corresponding numerators are A346994.

%Y Cf. A346993, A123690, A346124, A346784, A346785.

%K nonn,frac

%O 1,2

%A _Hugo Pfoertner_, Aug 16 2021