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A188006
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Number of nondecreasing arrangements of 6 numbers x(i) in -(n+4)..(n+4) with the sum of sign(x(i))*x(i)^2 zero
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2
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106, 176, 286, 421, 636, 862, 1206, 1587, 2114, 2698, 3450, 4255, 5356, 6522, 8026, 9451, 11468, 13434, 15970, 18457, 21512, 24652, 28728, 32569, 37426, 42000, 47824, 53393, 60688, 67492, 75464, 83349, 93086, 102446, 113894, 123963, 137198, 149672
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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
.-7...-3...-7...-7...-4...-6...-6...-6...-6...-4...-7...-3...-6...-7...-4...-6
..2...-3...-1...-6...-3...-3....0...-3...-6...-4...-3...-2...-1...-5....0...-6
..2....0....0...-6...-2....1....3...-3...-6...-3....2...-2....0....0....2...-3
..3....1....3....6....0....2....3....2....6...-3....3....2....0....0....2...-2
..4....1....4....6....2....2....3....5....6....5....3....2....1....5....2....6
..4....4....5....7....5....6....3....5....6....5....6....3....6....7....2....7
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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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