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A224187
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Number of nX5 0..2 arrays with rows unimodal and columns nondecreasing
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1
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86, 1600, 14751, 89380, 408222, 1519738, 4844576, 13669953, 34953776, 82399174, 181434331, 376946128, 744873156, 1409068188, 2565196232, 4513845865, 7705502706, 12800568660, 20748212991, 32888515396, 51083111090, 77880377510
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OFFSET
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1,1
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COMMENTS
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Column 5 of A224190
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
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FORMULA
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Empirical: a(n) = (1009/907200)*n^10 + (913/36288)*n^9 + (15121/60480)*n^8 + (8677/6048)*n^7 + (226987/43200)*n^6 + (110621/8640)*n^5 + (3804217/181440)*n^4 + (206081/9072)*n^3 + (130433/8400)*n^2 + (3793/630)*n + 1
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EXAMPLE
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Some solutions for n=3
..0..1..0..0..0....0..1..2..1..1....0..0..1..1..1....0..1..2..1..1
..0..1..1..0..0....0..1..2..1..1....0..2..2..1..1....2..2..2..2..1
..1..2..2..2..2....0..1..2..2..2....0..2..2..1..1....2..2..2..2..1
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CROSSREFS
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Sequence in context: A232859 A224259 A223915 * A223930 A224054 A224307
Adjacent sequences: A224184 A224185 A224186 * A224188 A224189 A224190
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Apr 01 2013
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STATUS
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approved
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