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A233478 Number of (n+2)X(4+2) 0..3 arrays with no increasing sequence of length 3 horizontally or vertically 1

%I

%S 21111771232,45223720670867,94192817031882237,196122261590679299496,

%T 407469009947158776878785,846537132143871418217915702,

%U 1758426966252867944813771559333,3652590644663404309130794104320920

%N Number of (n+2)X(4+2) 0..3 arrays with no increasing sequence of length 3 horizontally or vertically

%C Column 4 of A233480

%H R. H. Hardin, <a href="/A233478/b233478.txt">Table of n, a(n) for n = 1..69</a>

%e Some solutions for n=1

%e ..0..0..0..0..1..1....0..0..0..0..1..1....0..0..0..0..0..0....0..0..0..0..1..1

%e ..0..0..0..0..1..1....0..0..0..0..0..0....0..0..0..0..2..0....0..0..0..0..0..0

%e ..2..3..1..3..1..2....0..3..2..2..0..2....3..3..2..0..0..3....1..1..0..3..3..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2013

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Last modified February 22 18:24 EST 2020. Contains 332148 sequences. (Running on oeis4.)