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 A226395 Number of nondecreasing -4..4 vectors of length n whose dot product with some nonincreasing -4..4 vector equals n 0
 2, 32, 120, 448, 874, 2498, 4280, 10992, 18566, 32056, 52408, 107154, 142740, 232578 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A226398 LINKS EXAMPLE Some solutions for n=3 .-4....2...-3...-4...-3...-3...-4....1...-2....1...-3....0....0...-1...-3...-2 .-3....3...-2....0...-2....2...-1....4...-2....1....4....1....3...-1...-3...-1 .-3....3....3....3....0....2....2....4....1....1....4....1....3...-1...-2....0 CROSSREFS Sequence in context: A037313 A122127 A303078 * A257965 A191997 A274654 Adjacent sequences: A226392 A226393 A226394 * A226396 A226397 A226398 KEYWORD nonn AUTHOR R. H. Hardin Jun 06 2013 STATUS approved

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Last modified April 1 22:11 EDT 2023. Contains 361716 sequences. (Running on oeis4.)