%I #8 May 04 2021 21:56:12
%S 7,70,514,22440,2250982,45244488,1001060834,1438433201164
%N Number of n X n 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
%C Diagonal of A201072.
%e Some solutions for n=4
%e ..0..0..2..2....0..1..1..1....0..0..3..3....0..1..1..3....0..0..3..3
%e ..1..1..4..4....0..2..2..4....0..2..3..4....0..2..4..6....0..2..4..4
%e ..1..3..5..6....3..3..4..5....1..2..5..6....1..2..4..6....1..2..5..6
%e ..3..5..5..6....5..6..6..6....1..4..5..6....3..5..5..6....1..3..5..6
%Y Cf. A201072.
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 26 2011
