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

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

R. H. Hardin, Table of n, a(n) for n = 1..83

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

Adjacent sequences: A188002 A188003 A188004 * A188006 A188007 A188008

Keyword

nonn

Author

R. H. Hardin Mar 18 2011

Status

approved