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A241259 Number of 5Xn 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 zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

%I A241259 #6 Jun 02 2025 10:02:48
%S A241259 8,87,174,545,3404,11700,50281,252069,959723,5014754,21265779,
%T A241259 97686188,454095979,1911405908,9090872300,40760423923,177043945473,
%U A241259 836152068055,3685193095173,16440527244397,75962562059779,337317605161865
%N A241259 Number of 5Xn 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 zero plus the sum of the elements antidiagonally to its northeast, modulo 4.
%C A241259 Row 5 of A241255
%H A241259 R. H. Hardin, <a href="/A241259/b241259.txt">Table of n, a(n) for n = 1..41</a>
%e A241259 Some solutions for n=3
%e A241259 ..2..2..3....2..2..3....2..2..3....3..3..2....3..3..2....3..3..2....2..2..3
%e A241259 ..3..1..2....0..0..2....0..0..2....2..1..3....2..1..3....2..1..3....3..1..2
%e A241259 ..2..1..3....0..0..2....0..0..2....2..2..2....0..2..2....2..2..3....2..1..2
%e A241259 ..2..2..3....0..0..2....0..0..2....2..1..2....0..3..2....0..0..3....2..1..2
%e A241259 ..2..1..2....0..0..3....0..3..3....2..1..2....2..0..2....0..0..2....2..0..2
%K A241259 nonn
%O A241259 1,1
%A A241259 _R. H. Hardin_, Apr 18 2014