A223787 - OEIS

%I #4 Mar 27 2013 08:10:24

%S 148,21904,1455816,61333566,2226551034,82093381460,3219192158949,

%T 131884144499255,5492364938094602,229040827160337252,

%U 9528541541617112954,395783235818312434134,16434316529261925355928,682564737563907412343494

%N Number of nX6 0..2 arrays with rows, diagonals and antidiagonals unimodal

%C Column 6 of A223789

%H R. H. Hardin, <a href="/A223787/b223787.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 27 2013