A219821 - OEIS

%I #3 Nov 28 2012 16:58:00

%S 28,176,2359,27340,358480,4734774,59065976,707079160

%N Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 7Xn array

%C Row 7 of A219816

%e Some solutions for n=3

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 28 2012