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A226338
Number of nondecreasing -6..6 vectors of length n whose dot product with some other -6..6 vector equals n
0
2, 66, 362, 1736, 5621, 18509, 48341, 125429, 288869, 645578, 1338336, 2704063, 5170784, 9654395, 17329591, 30416751, 51788999, 86492839
OFFSET
1,1
COMMENTS
Column 6 of A226340
EXAMPLE
Some solutions for n=3
.-5...-4...-3...-1....2...-6...-6...-4...-3...-1...-4...-5...-6...-3...-3...-2
.-1...-1...-3....0....3...-3....5....5....3...-1...-1...-3...-5....1....2....4
..4....2....4....3....4....0....6....5....5....5...-1...-2...-4....4....4....5
CROSSREFS
Sequence in context: A257788 A349108 A226409 * A131472 A098532 A159716
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 04 2013
STATUS
approved