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A224307
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Number of nX5 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing
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1
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86, 1915, 20214, 164514, 1258372, 9829605, 80083648, 677557164, 5882182248, 51821072499, 459888653374, 4094603418389, 36504683598749, 325625769512292, 2905345619322972, 25926555852863165, 231390081746732292
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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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FORMULA
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Empirical recurrence of order 61 (see link above)
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EXAMPLE
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Some solutions for n=3
..0..0..2..1..0....0..0..1..1..1....0..0..0..1..1....0..1..1..0..0
..0..2..2..2..1....0..1..1..1..1....0..0..1..2..1....1..2..2..1..0
..2..2..2..2..1....1..2..1..1..0....1..2..2..1..0....2..2..1..1..1
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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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