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A200983 Number of n X n 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 0

%I

%S 5,10,92,1225,4919,752271,29555346,1278883650,65182166083,731587297275

%N Number of n X n 0..4 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 A200990

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 25 2011

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Last modified January 21 16:03 EST 2022. Contains 350479 sequences. (Running on oeis4.)