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A189332
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Number of nondecreasing arrangements of 9 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four
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1
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2, 16, 34, 94, 119, 275, 253, 548, 477, 845, 725, 1375, 951, 1608, 1522, 2126, 1511, 2758, 1809, 3130, 2557, 3125, 2312, 4710, 2551, 3930, 3502, 4942, 2922, 6053, 3105, 5798, 4483, 5381, 4049, 8173, 3634, 6207, 5339, 8368, 4204, 8795, 4353, 8395, 7148
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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....1....0....1....1....1....0....1....1....0....1....1....0....1....1
..1....1....1....1....1....1....1....1....1....1....3....1....3....1....1....1
..1....1....1....1....1....1....1....1....1....2....3....1....3....1....1....2
..1....1....1....2....1....2....1....1....1....2....3....1....3....1....2....3
..1....1....2....2....1....2....1....1....1....2....3....1....3....2....3....3
..1....1....2....2....2....2....2....2....2....3....3....1....3....2....3....3
..2....1....3....3....2....3....2....3....3....3....3....2....3....2....3....3
..2....2....3....3....2....3....3....3....3....3....3....2....3....3....3....3
..3....3....3....3....3....3....3....3....3....3....3....3....3....3....3....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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