Gauss's Circle Problem
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Count the number of lattice points inside the boundary of a circle of radius
with center at the origin. Then
can be written
, where Gauss showed that
.
Contributed by: Eric W. Weisstein (March 2011)
Open content licensed under CC BY-NC-SA
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"Gauss's Circle Problem"
http://demonstrations.wolfram.com/GausssCircleProblem/
Wolfram Demonstrations Project
Published: March 7 2011