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A201832
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Number of nX4 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally
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1
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51, 823, 11180, 135236, 1513357, 15948080, 160648302, 1559706843, 14692678301, 134927163853, 1212424285166, 10691263233469, 92739873027153, 792943021386085, 6694286144508402, 55884695484131751, 461907052202339158
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=3
..0..0..0..1....0..1..1..1....0..0..1..1....0..0..0..2....0..0..0..0
..3..3..3..3....0..1..3..3....0..1..3..2....0..2..3..3....0..1..2..3
..2..3..3..3....1..1..2..2....0..1..2..2....1..3..2..3....1..1..1..3
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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