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 A222329 Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..3 array extended with zeros and convolved with 1,1. 2
 2, 3, 4, 7, 11, 18, 29, 46, 74, 118, 189, 303, 485, 777, 1244, 1992, 3190, 5108, 8180, 13099, 20976, 33590, 53789, 86135, 137932, 220877, 353701, 566398, 907000, 1452422, 2325832, 3724465, 5964162, 9550695, 15293980, 24490974, 39218556 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A222334. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = a(n-1) + a(n-3) + a(n-5) + a(n-7). Empirical g.f.: x*(2 + x + x^2 + x^3 + x^4 + x^5 + x^6) / (1 - x - x^3 - x^5 - x^7). - Colin Barker, Mar 15 2018 EXAMPLE Some solutions for n=6, one extended zero followed by filtered positions: ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0 ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0 ..0....1....0....1....1....1....1....0....0....0....0....0....0....1....0....0 ..0....0....0....0....0....0....0....0....1....0....1....0....1....0....1....0 ..0....1....1....1....0....0....0....0....0....1....0....1....0....0....0....0 ..1....0....0....0....0....1....0....0....0....0....1....0....0....0....0....0 ..0....1....0....0....0....0....1....0....0....1....0....0....1....0....0....0 ..0....0....1....1....0....0....0....0....0....0....0....0....0....1....1....1 CROSSREFS Cf. A222334. Sequence in context: A359743 A006259 A119015 * A018145 A050195 A293638 Adjacent sequences: A222326 A222327 A222328 * A222330 A222331 A222332 KEYWORD nonn AUTHOR R. H. Hardin, Feb 15 2013 STATUS approved

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Last modified September 21 21:57 EDT 2023. Contains 365503 sequences. (Running on oeis4.)