%I #8 Jul 19 2023 07:21:01
%S 5,20,776,491892,5393851108,1081958661341802
%N Number of n X n 0..4 arrays with row and column sums one greater than the previous row and column.
%e Some solutions for n=3
%e ..0..1..3....0..4..2....1..3..2....0..0..2....1..4..0....4..0..3....1..4..2
%e ..1..2..2....3..1..3....3..1..3....0..1..2....3..0..3....0..4..4....3..2..3
%e ..3..2..1....3..2..3....2..3..3....2..2..0....1..2..4....3..4..2....3..2..4
%Y Column 4 of A202864.
%K nonn,more
%O 1,1
%A _R. H. Hardin_, Dec 25 2011