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 the radius distance. 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.

Scott R. Shannon, Image for n = 3.

Scott R. Shannon, Image for n = 4.

CROSSREFS

KEYWORD

nonn,more

AUTHOR

Scott R. Shannon, Jan 19 2023

STATUS

approved