A201233 Number of nX6 0..3 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
40, 152, 18056, 66027, 8499558, 33222962, 4442977704, 17052604235, 2254057282528, 8454420786242
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..0..0..1..1..1....0..0..1..1..2..2....0..0..1..1..1..1....0..0..0..0..0..1 ..0..0..2..1..3..3....0..0..1..1..3..2....0..0..3..1..3..2....0..1..1..3..3..2 ..0..3..2..2..2..2....0..1..1..3..3..2....0..0..2..1..3..2....1..1..2..3..2..3 ..1..1..3..3..2..3....0..2..3..2..3..3....2..2..2..3..3..3....1..2..2..2..3..3
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