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A241286 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

%I A241286 #6 Jun 02 2025 10:04:01
%S A241286 24,36,236,773,1800,16843,54167,159403,1014287,3055986,10609732,
%T A241286 60969600,191316011,725713555,3761999379,12377676801,48908645074,
%U A241286 236055743934,808188094976,3233355467890,14810044876373,52228582550562
%N A241286 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.
%C A241286 Row 4 of A241283
%H A241286 R. H. Hardin, <a href="/A241286/b241286.txt">Table of n, a(n) for n = 1..148</a>
%e A241286 Some solutions for n=4
%e A241286 ..3..2..3..3....3..2..3..2....3..2..3..2....3..2..3..2....3..2..3..3
%e A241286 ..0..3..1..2....0..3..2..3....0..3..1..3....2..1..2..3....0..3..1..2
%e A241286 ..2..0..2..3....2..2..2..2....2..2..2..2....0..0..2..2....2..2..2..2
%e A241286 ..0..0..3..3....2..0..1..2....3..1..0..2....0..0..0..2....2..0..1..2
%K A241286 nonn
%O A241286 1,1
%A A241286 _R. H. Hardin_, Apr 18 2014