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A241302 Number of nX3 0..3 arrays with no element equal to zero 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 zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

%I A241302 #6 Jun 02 2025 10:04:29
%S A241302 4,15,37,116,304,869,2398,6813,18782,53067,148098,418537,1170103,
%T A241302 3295099,9238212,25977693,72895582,204839547,575103785,1615442306,
%U A241302 4536454530,12740816702,35781379670,100486564040,282214599565,792544916224
%N A241302 Number of nX3 0..3 arrays with no element equal to zero 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 zero plus the sum of the elements antidiagonally to its northeast, modulo 4.
%C A241302 Column 3 of A241306
%H A241302 R. H. Hardin, <a href="/A241302/b241302.txt">Table of n, a(n) for n = 1..210</a>
%e A241302 Some solutions for n=4
%e A241302 ..2..3..2....2..3..2....3..2..3....2..3..2....3..2..3....2..3..2....2..3..2
%e A241302 ..2..3..2....1..3..1....3..1..3....2..3..2....1..0..3....2..3..2....2..1..1
%e A241302 ..3..1..2....3..0..2....2..1..1....2..1..2....2..0..1....3..1..3....2..0..1
%e A241302 ..2..1..2....2..0..3....3..0..1....1..3..1....2..0..3....1..2..2....2..3..3
%K A241302 nonn
%O A241302 1,1
%A A241302 _R. H. Hardin_, Apr 18 2014