|
%I #3 Mar 31 2013 20:39:38
%S 120,14400,794220,24197608,468021427,6360047093,65713691148,
%T 549557637814,3906417081652,24494943831322,139244456386154,
%U 731876847737254,3607100658268390,16837953991281924
%N Number of 7Xn 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing
%C Row 7 of A224173
%e Some solutions for n=3
%e ..1..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
%e ..2..0..0....0..0..1....0..2..0....0..0..0....2..2..0....0..0..0....0..0..0
%e ..2..0..0....0..0..1....1..2..0....0..0..0....2..2..0....0..0..0....0..0..0
%e ..2..1..0....0..2..2....1..2..1....1..0..0....2..3..0....0..0..1....0..2..1
%e ..2..2..1....0..3..2....1..3..2....1..1..1....2..3..0....0..2..1....1..3..1
%e ..2..2..3....0..3..2....3..3..3....1..1..2....2..3..0....0..2..1....3..3..1
%e ..3..3..3....2..3..3....3..3..3....1..3..3....2..3..2....1..3..3....3..3..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 31 2013
| 