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A251930
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Number of length n+2 0..3 arrays with the sum of the maximum minus the median of adjacent triples multiplied by some arrangement of +-1 equal to zero
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1
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22, 120, 431, 1760, 7452, 30882, 126098, 511108, 2063052, 8301984, 33334755, 133657996, 535440240, 2143822408, 8580556159, 34335672876, 137377037835, 549596067402, 2198610089868, 8795022257168, 35181592140181, 140730259104058
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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=6
..3....0....1....0....1....3....1....3....2....1....1....3....3....3....0....2
..1....3....0....3....0....2....2....3....0....1....3....1....3....2....1....1
..3....1....2....0....0....3....1....0....0....3....1....1....2....1....2....1
..1....0....2....1....3....0....2....2....0....1....2....3....3....0....2....1
..1....0....0....2....0....2....2....2....3....2....1....2....2....0....1....0
..1....0....2....2....2....1....2....2....0....3....1....0....2....3....3....2
..0....1....1....0....3....1....1....3....1....3....0....0....2....3....2....1
..1....1....2....2....2....0....3....3....1....0....0....2....0....0....1....0
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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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