A234058 - OEIS

%I #4 Dec 19 2013 05:57:56

%S 237966121,99212997474,41752512059499,17672707197951102,

%T 7477499627486219639,3162697435777520932691,1337361544736313427651663,

%U 565501791937835245252674070,239114961150654399370212947466

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

%C Row 4 of A234054

%H R. H. Hardin, <a href="/A234058/b234058.txt">Table of n, a(n) for n = 1..95</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....0..0..0

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2013