A234049 - OEIS

%I #4 Dec 19 2013 05:48:37

%S 8226630,1425517650,244179417600,41752512059499,7134410752675641,

%T 1218910941840682809,208240488565210166121,35575735181511547452987,

%U 6077727027899797146571611,1038312717920652502436067297

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

%C Column 3 of A234054

%H R. H. Hardin, <a href="/A234049/b234049.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2013