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 A249240 Number of length 7+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four 1
 422, 31104, 1365524, 19188990, 171561694, 1195936390, 6483080144, 28086995286, 111475346884, 380335170960, 1167836929374, 3332406055028, 8765941903238, 21457348698458, 50079468971542, 110467990168082, 232510958777794 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A249233 LINKS R. H. Hardin, Table of n, a(n) for n = 1..27 EXAMPLE Some solutions for n=2 ..0....2....2....1....2....1....1....2....2....0....0....0....1....0....2....2 ..2....0....1....2....0....2....0....1....0....2....2....2....2....1....2....1 ..0....1....1....2....0....1....2....1....1....0....2....1....1....0....2....0 ..0....1....0....2....1....1....2....1....0....2....1....1....1....0....2....1 ..0....1....1....1....1....0....0....0....1....0....0....2....0....2....1....0 ..2....0....2....0....1....2....0....2....1....1....0....1....2....2....2....0 ..1....2....0....0....2....1....0....0....1....2....0....1....2....2....2....2 ..1....0....0....0....0....2....0....0....1....0....2....1....2....1....1....1 ..0....0....1....1....0....2....2....2....1....0....1....1....1....0....0....0 ..1....2....0....0....0....0....0....1....0....1....2....2....1....1....1....2 ..2....0....1....0....2....1....0....2....1....1....2....2....2....2....2....0 ..0....0....0....0....1....1....0....2....0....1....0....0....0....1....1....2 CROSSREFS Sequence in context: A231585 A231837 A231745 * A231698 A248455 A238285 Adjacent sequences: A249237 A249238 A249239 * A249241 A249242 A249243 KEYWORD nonn AUTHOR R. H. Hardin, Oct 23 2014 STATUS approved

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Last modified September 11 23:47 EDT 2024. Contains 375842 sequences. (Running on oeis4.)