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 A249887 Number of length 4+6 0..n arrays with no seven consecutive terms having the maximum of any three terms equal to the minimum of the remaining four terms 1
 35, 4019, 118638, 1599494, 12991337, 74439217, 331379292, 1219778604, 3872511183, 10923962159, 27981170954, 66148387890, 146141454485, 304712555117, 604328255416, 1147307969496, 2095939712763, 3700448828331 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A249883 LINKS R. H. Hardin, Table of n, a(n) for n = 1..52 FORMULA Empirical: a(n) = n^10 + (37/105)*n^9 + (363/70)*n^8 + (442/105)*n^7 + (917/90)*n^6 + (211/30)*n^5 + (149/90)*n^4 + (407/70)*n^3 - (167/315)*n^2 + (19/210)*n EXAMPLE Some solutions for n=3 ..0....0....3....1....0....1....0....2....2....1....2....1....3....1....1....1 ..1....2....1....0....1....0....0....2....1....1....1....0....0....3....0....2 ..2....3....1....3....2....2....3....0....0....3....2....3....2....0....1....2 ..3....1....3....0....0....3....1....2....0....0....0....2....0....3....3....1 ..3....3....1....2....1....1....3....1....0....0....1....2....3....3....0....3 ..1....0....2....0....3....3....2....0....2....0....3....3....2....3....3....2 ..3....0....2....1....0....3....0....3....1....1....3....0....1....1....0....0 ..3....2....2....2....0....0....0....0....2....1....3....0....0....0....1....1 ..0....2....1....3....1....3....2....2....2....2....0....1....3....3....0....2 ..1....2....1....3....1....1....0....2....0....2....3....2....0....1....3....2 CROSSREFS Sequence in context: A201725 A202578 A213404 * A210314 A294851 A266053 Adjacent sequences: A249884 A249885 A249886 * A249888 A249889 A249890 KEYWORD nonn AUTHOR R. H. Hardin, Nov 07 2014 STATUS approved

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Last modified May 23 05:11 EDT 2024. Contains 372758 sequences. (Running on oeis4.)