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A188005
Number of nondecreasing arrangements of 5 numbers x(i) in -(n+3)..(n+3) with the sum of sign(x(i))*x(i)^2 zero
2
25, 45, 64, 88, 117, 159, 216, 270, 333, 421, 500, 628, 731, 869, 1000, 1156, 1349, 1545, 1718, 1940, 2163, 2525, 2806, 3116, 3405, 3785, 4208, 4608, 4983, 5443, 5888, 6510, 7011, 7627, 8142, 8832, 9537, 10287, 10954, 11730, 12405, 13437, 14180, 15098
OFFSET
1,1
COMMENTS
Row 5 of A188002
LINKS
EXAMPLE
Some solutions for n=3
.-6...-6...-5...-4...-6...-4...-3...-5...-1...-4...-4...-4...-6...-4...-5...-3
..1...-3...-4...-4....3...-3...-3...-3....0...-2...-3...-3...-6...-4...-4....0
..1....2...-3....0....3....0....0...-1....0...-2...-2...-3....0...-2....3....0
..3....4....5....4....3....0....3...-1....0...-1....2....3....6....0....4....0
..5....5....5....4....3....5....3....6....1....5....5....5....6....6....4....3
CROSSREFS
Sequence in context: A138091 A105507 A015911 * A054520 A343826 A339958
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 18 2011
STATUS
approved