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A200200
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Number of -4..4 arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences
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1
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422, 3196, 24542, 187530, 1453304, 11315108, 88657470, 697548282, 5508571400, 43635932538, 346582563516, 2759102483488, 22009380252406, 175882840702296, 1407766935222636, 11283861015674038, 90561415687714086, 727670172922068894
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OFFSET
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1,1
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COMMENTS
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Column 4 of A200204
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..94
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EXAMPLE
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Some solutions for n=3
..1...-4....3...-4...-2....0...-3...-3....1...-2....0....3...-1...-2....2....2
..0....3....2....0....3....3....1....2...-3....1....1...-1....0...-2...-4...-1
.-4....1....2....2....3...-4....2...-1....3...-4...-2...-3...-3....3....4....2
..1....3...-4....0...-3...-1...-2...-3....2....2...-4....2...-3...-1...-4....4
.-1...-4....1....1....2...-2....2....3...-1....2....1...-1....3....1....3...-3
..3....1...-4....1...-3....4....0....2...-2....1....4....0....4....1...-1...-4
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CROSSREFS
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Sequence in context: A109505 A109473 A245315 * A231585 A231837 A231745
Adjacent sequences: A200197 A200198 A200199 * A200201 A200202 A200203
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Nov 14 2011
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STATUS
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approved
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