A346994 Numerators of the squared radii corresponding to circular disks covering record numbers of grid points A346993 of the square lattice.

0, 1, 1, 1, 5, 25, 2, 5, 169, 65, 17, 169, 5, 25, 13, 29, 5525, 125, 17, 481, 10, 45, 205, 19721, 1189, 25, 13, 338, 29725, 697, 29, 65, 17, 1105, 3445, 18, 4453, 40885, 4625, 481, 20, 85, 12505, 2125, 200, 89, 45, 7921, 425, 89725, 93925, 2405, 2465, 10201, 98345

Offset: 1

Author

Hugo Pfoertner, Aug 16 2021

Keywords

• nonn
• frac

Examples

			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.
		

Links

• Hugo Pfoertner, Visualization of configurations with maximum number of covered grid points.

Crossrefs

The corresponding denominators are A346995.

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

All terms of a(n)/A346995(n) with the sole exception of 1/4 are terms of A192493/A192494.