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Denominators of minimal squared radii of circular disks covering a record number of lattice points of the hexagonal lattice, when the centers of the circles are chosen to maximize the number of covered lattice points.
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%I #7 Aug 09 2021 01:43:27

%S 1,4,3,4,1,4,25,4,3,4,48,25,1,27,4,64,289,27,3,1,121,16,1,4,2187,48,3,

%T 841,27,289,4,64,1,25,64,121,4,1

%N Denominators of minimal squared radii of circular disks covering a record number of lattice points of the hexagonal lattice, when the centers of the circles are chosen to maximize the number of covered lattice points.

%e 0, 1/4, 1/3, 3/4, 1, 7/4, 49/25, 9/4, 7/3, 13/4, 169/48, 91/25, 4, 133/27, 21/4, 361/64, 1729/289, 169/27, 19/3, 7, 961/121, 133/16, 9, ...

%Y Corresponding numerators are A346784.

%Y Cf. A125852, A346126.

%K nonn,frac,more

%O 1,2

%A _Hugo Pfoertner_, Aug 08 2021