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 A346995 Denominators of the squared radii corresponding to circular disks covering record numbers of grid points A346993 of the square lattice. 6
 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, 25, 2178, 50, 2, 4, 1, 64, 196, 1, 242, 2178, 242, 25, 1, 4, 578, 98, 9, 4, 2, 338, 18, 3698, 3844, 98, 98, 400, 3844 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..55. Hugo Pfoertner, Visualization of configurations with maximum number of covered grid points. EXAMPLE 0/1, 1/4, 1/2, 1/1, 5/4, 25/16, 2/1, 5/2, 169/50, 65/18, 17/4, 169/36, ... For detailed examples see A346993 and the linked pdf. CROSSREFS The corresponding numerators are A346994. Cf. A346993, A123690, A346124, A346784, A346785. Sequence in context: A356631 A210937 A016506 * A228132 A146321 A133455 Adjacent sequences: A346992 A346993 A346994 * A346996 A346997 A346998 KEYWORD nonn,frac AUTHOR Hugo Pfoertner, Aug 16 2021 STATUS approved

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Last modified April 16 01:40 EDT 2024. Contains 371696 sequences. (Running on oeis4.)