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A226337 Number of nondecreasing -5..5 vectors of length n whose dot product with some other -5..5 vector equals n. 1
2, 50, 242, 972, 2857, 7951, 19046, 43667, 91607, 184623, 351192, 646548, 1141473, 1960891, 3264879, 5311415, 8429947, 13122714, 20020724, 30044769, 44339233, 64511381, 92542864, 131127774, 183555267, 254185657, 348298202, 472732818 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A226340.
LINKS
EXAMPLE
Some solutions for n=3
.-3...-5...-5...-5...-1...-3....0...-5...-4....1...-2...-3...-4...-1....0...-3
.-2....4...-1....0...-1....4....3....2...-3....4....4....2...-2....3....1...-3
.-1....5....4....1....3....5....4....5...-3....4....5....3....5....3....5....4
CROSSREFS
Cf. A226340.
Sequence in context: A265962 A318094 A226408 * A048610 A007511 A016032
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 04 2013
STATUS
approved

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Last modified April 22 18:29 EDT 2024. Contains 371906 sequences. (Running on oeis4.)