%I #5 Dec 18 2015 18:18:33
%S 4,100,6796,772683,120352359,23151623729,5173325036371,
%T 1291969529189675,351545826740833046,102423287609988684833,
%U 31560026488902316691503,10191808855482615567911934,3425597818181959478072701084
%N Number of n X n 0..3 arrays with rows nondecreasing and antidiagonals unimodal
%C Diagonal of A224024
%e Some solutions for n=3
%e ..0..0..1....0..1..1....2..3..3....1..1..1....0..3..3....2..2..3....2..3..3
%e ..1..2..3....1..2..3....3..3..3....0..0..2....1..3..3....1..2..3....1..1..3
%e ..0..2..3....0..0..2....1..1..3....0..2..2....0..1..1....0..2..2....0..1..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 30 2013