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A245845
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Number of length n 0..2 arrays with new values introduced in order from both ends, and least squares fitting to a straight line with slope zero, with a single point taken as having zero slope
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1
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1, 1, 2, 2, 5, 5, 14, 16, 65, 77, 356, 448, 2279, 2959, 15572, 20762, 111641, 151205, 824798, 1131376, 6239399, 8640935, 48063692, 67082670, 375759443, 527790821, 2973583640, 4198991910, 23773324409, 33722329677, 191725694792, 273021483730
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OFFSET
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1,3
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=12
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....1....1....1....0....1....1....1....0....1....1....1....1....1....0
..1....1....1....1....0....0....0....1....1....1....2....0....2....2....0....0
..2....2....1....2....0....1....1....0....0....0....2....2....0....1....1....1
..0....2....1....1....2....1....0....2....2....2....0....0....1....2....0....2
..1....1....2....2....2....2....1....2....2....1....1....1....2....1....2....1
..1....2....2....2....0....2....2....2....0....1....2....1....2....1....1....1
..0....2....1....2....1....1....2....1....1....2....2....0....1....2....1....2
..2....0....1....0....1....1....0....2....1....0....2....2....0....1....1....1
..1....1....1....2....0....0....1....0....1....1....1....0....2....2....1....0
..0....1....1....1....1....0....0....1....1....0....1....1....1....1....0....0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....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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