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 A188208 Number of nondecreasing arrangements of n numbers in -(n+4)..(n+4) with sum zero 1
 1, 7, 32, 177, 967, 5444, 30982, 178870, 1043534, 6147894, 36525052, 218635791, 1317499741, 7987022942, 48681694352, 298175840393, 1834480258489, 11332354653885, 70266266183888, 437183447677006, 2728700799802620 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 6 of A188211 LINKS R. H. Hardin, Table of n, a(n) for n = 1..27 EXAMPLE Some solutions for n=3 ..0...-1...-5...-6...-2...-5...-7...-6...-6...-5...-3...-3...-3...-6...-3...-7 ..0...-1....2....1...-1....0....0....3....2....1...-1...-2....0...-1....1....3 ..0....2....3....5....3....5....7....3....4....4....4....5....3....7....2....4 CROSSREFS Sequence in context: A199845 A188179 A050148 * A302995 A188331 A177766 Adjacent sequences: A188205 A188206 A188207 * A188209 A188210 A188211 KEYWORD nonn AUTHOR R. H. Hardin Mar 24 2011 STATUS approved

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Last modified June 1 02:11 EDT 2023. Contains 363068 sequences. (Running on oeis4.)