A200828 - OEIS

%I #10 Oct 03 2025 08:48:14

%S 679,96511,11757774,1307781737,136335515996,13551445405790,

%T 1303531416951055,122329194886388656,11265061632847653047

%N Number of nX5 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

%C Column 5 of A200831

%e Some solutions for n=3

%e ..0..0..0..0..2....0..0..0..3..2....0..0..0..2..3....0..0..0..1..4

%e ..0..0..0..2..4....0..0..0..4..3....0..0..0..4..4....0..0..0..2..5

%e ..0..2..4..5..5....0..1..3..5..3....0..0..5..3..4....0..2..3..2..5

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2011