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A226336
Number of nondecreasing -4..4 vectors of length n whose dot product with some other -4..4 vector equals n
1
2, 34, 130, 480, 1139, 2973, 6068, 12823, 23590, 43620, 74135, 125962, 200993, 319516, 486423, 735303, 1075392, 1562050, 2210979, 3107839, 4279431, 5852307, 7870810, 10518228, 13859945, 18155322, 23504230, 30259780, 38566432, 48902774
OFFSET
1,1
COMMENTS
Column 4 of A226340
LINKS
EXAMPLE
Some solutions for n=3
.-2...-1...-3...-1...-1...-2...-3...-3....0...-4....1...-1...-3....3...-1...-2
.-2....2...-3...-1...-1...-1....2....0....1....2....2....4....1....3....0....2
..1....4...-3....1....0....4....2....2....1....3....3....4....3....4....4....3
CROSSREFS
Sequence in context: A200821 A200166 A226407 * A213826 A259108 A064202
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 04 2013
STATUS
approved