A250453 - OEIS

A250453

Number of (n+1)X(7+1) 0..2 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction

%I #4 Nov 23 2014 12:39:37

%S 395240,75647740,11894220206,1868402502223,285429015596551,

%T 43298244589432163,6511299501417969432,977210423426810361513,

%U 146307545836444838704896,21897827369360153406809961

%N Number of (n+1)X(7+1) 0..2 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction

%C Column 7 of A250454

%H R. H. Hardin, <a href="/A250453/b250453.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2014