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A242467
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Number of length n+2 0..n arrays with no three equal elements in a row and new values 0..n introduced in 0..n order.
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1
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3, 11, 40, 158, 684, 3232, 16533, 90862, 533013, 3319374, 21844874, 151329961, 1099822975, 8361244270, 66320787389, 547602710173, 4697109624463, 41777867546600, 384671271459042, 3661037447467530, 35965775221739498
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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=4
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....1....1....0....0....1....1....1....1....0....1....1....1....1....1....1
..0....2....0....1....1....1....2....2....2....1....0....2....1....1....0....2
..2....1....1....2....2....2....1....0....0....1....2....0....0....0....1....3
..2....1....0....0....2....0....0....0....1....2....1....0....0....0....2....2
..3....2....1....0....3....2....0....1....2....1....2....3....2....1....0....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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