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Number of ways to divide an n X n grid of squares into edge-connected polygons of equal area.
1
%I #3 Nov 22 2021 19:59:05
%S 1,4,12,225,4008,1504776,158753816
%N Number of ways to divide an n X n grid of squares into edge-connected polygons of equal area.
%C Row sums of A348452.
%Y Cf. A348452.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Nov 22 2021