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 A188209 Number of nondecreasing arrangements of n numbers in -(n+5)..(n+5) with sum zero 1
 1, 8, 41, 241, 1394, 8196, 48417, 288100, 1724882, 10388788, 62914457, 382957903, 2342043630, 14385595262, 88716792134, 549159544833, 3411043554787, 21255166581480, 132841213701954, 832537685724170, 5231154448179004 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 7 of A188211 LINKS R. H. Hardin, Table of n, a(n) for n = 1..26 EXAMPLE Some solutions for n=3 .-5...-4...-8...-1...-5...-8...-4...-7...-4...-8...-7...-5...-7...-3...-5...-3 ..0...-3....2...-1...-3....1....0....0....2....0....3....1...-1...-1...-2....0 ..5....7....6....2....8....7....4....7....2....8....4....4....8....4....7....3 CROSSREFS Sequence in context: A051737 A209841 A196927 * A026953 A280068 A304466 Adjacent sequences: A188206 A188207 A188208 * A188210 A188211 A188212 KEYWORD nonn AUTHOR R. H. Hardin Mar 24 2011 STATUS approved

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Last modified March 28 21:08 EDT 2023. Contains 361596 sequences. (Running on oeis4.)