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A241430 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero 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 A241430 #6 Jun 02 2025 10:08:24
%S A241430 4,10,22,97,213,381,1005,1900,4137,10518,21092,47994,111034,227786,
%T A241430 526558,1173266,2506934,5760387,12607288,27523425,62352333,135931174,
%U A241430 300820619,674058895,1474383381,3279987103,7290574867,16018404203
%N A241430 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero 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 A241430 Column 3 of A241435
%H A241430 R. H. Hardin, <a href="/A241430/b241430.txt">Table of n, a(n) for n = 1..210</a>
%e A241430 Some solutions for n=4
%e A241430 ..2..2..3....3..3..2....3..3..2....3..3..2....3..3..2....3..3..2....3..3..2
%e A241430 ..2..1..3....3..1..0....2..2..2....2..2..2....2..2..0....2..2..0....2..2..0
%e A241430 ..3..1..2....2..2..2....3..1..0....3..1..2....3..3..0....3..3..2....3..3..2
%e A241430 ..2..0..2....2..1..2....2..2..2....3..2..0....3..2..0....2..2..3....3..2..0
%K A241430 nonn
%O A241430 1,1
%A A241430 _R. H. Hardin_, Apr 22 2014