|
%I
%S 187,334618,683903931,1404920207834,2887736845657700,
%T 5935974611645510227,12201956787655438957014,
%U 25082292111547260024518313,51559059416667161930347967813,105984596999356698511898369562313
%N Number of nX6 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors
%C Column 6 of A208872
%H R. H. Hardin, <a href="/A208870/b208870.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..0..0..0..1....0..0..0..0..0..0....0..0..0..1..2..3....0..0..0..0..0..1
%e ..1..1..1..1..0..1....1..1..2..1..1..1....2..1..2..3..1..1....1..1..2..1..3..2
%e ..0..0..0..2..3..1....0..1..2..0..3..2....1..0..2..1..3..3....2..3..0..3..1..0
%e ..1..2..0..1..0..0....1..2..3..0..0..3....1..2..0..2..2..1....2..1..0..3..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 02 2012
| 