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A240157 Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or one 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 A240157 #6 Jun 02 2025 09:41:12
%S A240157 10,62,254,3993,11742,88214,536744,1652584,11331387,57296488,
%T A240157 223202826,1550772274,7551863892,32607176000,200353447144,
%U A240157 939471999117,4301332018225,25319460629707,117174747947500,578341876385557
%N A240157 Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or one 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 A240157 Row 5 of A240153
%H A240157 R. H. Hardin, <a href="/A240157/b240157.txt">Table of n, a(n) for n = 1..21</a>
%e A240157 Some solutions for n=4
%e A240157 ..2..2..3..2....2..2..3..3....2..2..3..2....2..2..3..2....2..2..3..3
%e A240157 ..0..2..1..2....0..0..2..1....0..2..1..2....0..2..1..2....0..2..1..2
%e A240157 ..0..0..3..2....2..0..0..2....0..0..0..3....2..2..3..3....2..2..3..1
%e A240157 ..2..2..3..1....2..2..3..2....2..0..2..3....0..2..2..3....0..0..2..2
%e A240157 ..0..2..2..2....0..2..0..2....0..2..0..2....2..2..0..2....2..2..0..3
%K A240157 nonn
%O A240157 1,1
%A A240157 _R. H. Hardin_, Apr 02 2014