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 A200174 Number of -1..1 arrays x(0..n-1) of n elements with zero sum and no two consecutive declines, no adjacent equal elements, and no element more than one greater than the previous (random base sawtooth pattern) 1
 1, 1, 3, 3, 2, 6, 10, 7, 12, 28, 29, 29, 70, 105, 96, 169, 327, 363, 449, 914, 1302, 1426, 2455, 4220, 5030, 6925, 12579, 17582, 21687, 36154, 57823, 73301, 106333, 179101, 250064, 332708, 538040, 825039, 1097810, 1630708, 2613839, 3676575, 5125886 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Column 1 of A200181 LINKS R. H. Hardin, Table of n, a(n) for n = 1..200 EXAMPLE All solutions for n=6 .-1...-1....1....0....1....1 ..0....0...-1....1....0...-1 ..1....1....0...-1....1....0 .-1....0...-1....0...-1....1 ..0....1....0....1....0...-1 ..1...-1....1...-1...-1....0 CROSSREFS Sequence in context: A267942 A147994 A106365 * A266153 A086636 A115055 Adjacent sequences: A200171 A200172 A200173 * A200175 A200176 A200177 KEYWORD nonn AUTHOR R. H. Hardin Nov 13 2011 STATUS approved

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Last modified March 22 15:23 EDT 2023. Contains 361432 sequences. (Running on oeis4.)