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A229388 Number of nX4 0..3 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X5 0..1 array.

%I A229388 #6 Jul 23 2025 05:42:23
%S A229388 164,8592,319340,10624396,345788172,11156280332,358453456908,
%T A229388 11493734735884,368171037655052,11787417479938060,377292467256164364,
%U A229388 12074880676656054284,386420529239766859788,12365846497044862074892
%N A229388 Number of nX4 0..3 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X5 0..1 array.
%C A229388 Column 4 of A229392
%H A229388 R. H. Hardin, <a href="/A229388/b229388.txt">Table of n, a(n) for n = 1..174</a>
%F A229388 Empirical: a(n) = 49*a(n-1) -560*a(n-2) +544*a(n-3) -1568*a(n-4) +17920*a(n-5) -16384*a(n-6) for n>9
%e A229388 Some solutions for n=2
%e A229388 ..3..1..2..2....1..0..1..0....3..3..3..2....2..0..1..1....1..1..3..3
%e A229388 ..2..2..3..1....1..2..1..0....3..2..3..3....1..0..1..2....0..2..2..2
%K A229388 nonn
%O A229388 1,1
%A A229388 _R. H. Hardin_ Sep 21 2013