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A183369 Number of n X n binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.

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%I A183369 #8 Jul 22 2025 08:52:32
%S A183369 1,4,6,49,195,3969,285516,22743361,3414837564,1467194393284,
%T A183369 1549197261403648,3156509484479021584,11694530363878786782540,
%U A183369 91853775938916496321710336
%N A183369 Number of n X n binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.
%C A183369 Diagonal of A183374
%e A183369 Some solutions for 5X5
%e A183369 ..1..1..0..1..0....0..1..0..0..0....0..1..0..0..1....0..0..1..1..0
%e A183369 ..0..0..0..1..0....1..1..1..1..0....0..1..0..0..1....1..1..0..1..0
%e A183369 ..0..1..1..1..1....0..1..0..1..0....1..1..1..0..0....1..0..0..1..1
%e A183369 ..0..1..0..1..0....0..0..1..0..1....0..1..0..1..1....1..1..0..1..0
%e A183369 ..0..1..1..1..0....1..0..1..1..1....0..1..1..0..0....0..0..1..1..0
%K A183369 nonn
%O A183369 1,2
%A A183369 _R. H. Hardin_ Jan 04 2011

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