A234392 - OEIS

%I #4 Dec 25 2013 11:13:41

%S 32129615500,57796098504371,93663449566825996,148995535070508548075,

%T 233248382982183041074476,363729711349034127664337880,

%U 565789482757475561391507035318,879461481826980839177382494847380

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

%C Column 4 of A234393

%H R. H. Hardin, <a href="/A234392/b234392.txt">Table of n, a(n) for n = 1..10</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 25 2013