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Number of (n+2)X(7+2) 0..3 arrays with no increasing sequence of length 3 horizontally or diagonally downwards
1

%I #4 Dec 19 2013 06:37:35

%S 2859193780644876,306554863282538650963,32156510655168186055908916,

%T 3371759671693606050632389947964,353198620593124509847927806748908040,

%U 36997221315280425069489592402754407276751

%N Number of (n+2)X(7+2) 0..3 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

%C Column 7 of A234068

%H R. H. Hardin, <a href="/A234067/b234067.txt">Table of n, a(n) for n = 1..166</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2013