OFFSET

2,1

COMMENTS

A circle is constructed for every pair of the n X n points; the first point defines the circle's center while the second defines the radius. The number of distinct circles constructed from the n X n points is A359931(n).

No formula for a(n) is known.

LINKS

Scott R. Shannon, Image for n = 2. In this and other images the n X n grid points are shown as white dots.

Scott R. Shannon, Image for n = 3.

Scott R. Shannon, Image for n = 4.

Scott R. Shannon, Image for n = 5.

CROSSREFS

KEYWORD

nonn,more

AUTHOR

Scott R. Shannon, Jan 21 2023

STATUS

approved