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 A250081 T(n,k)=Number of length n+5 0..k arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms 15
 49, 444, 83, 2086, 982, 144, 6835, 5604, 2228, 252, 17871, 21405, 15472, 5084, 442, 40054, 63611, 68863, 42936, 11519, 774, 80284, 159278, 232096, 222329, 117828, 25659, 1348, 147861, 352192, 647122, 847708, 706561, 315376, 55647, 2361, 254845 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ...49....444.....2086......6835......17871......40054.......80284.......147861 ...83....982.....5604.....21405......63611.....159278......352192.......708609 ..144...2228....15472.....68863.....232096.....647122.....1572320......3441309 ..252...5084....42936....222329.....847708....2623376.....6978064.....16547001 ..442..11519...117828....706561....3032302...10361063....30011560.....76692849 ..774..25659...315376...2170435...10384566...38804209...121263104....330977421 .1348..55647...813208...6341373...33356124..134387611...446774000...1284748281 .2361.122851..2167600..19472847..114688781..508067629..1834111512...5674570869 .4156.273803..5855140..60813057..402127048.1962422803..7701187928..25647629649 .7334.612178.15883864.190846823.1416804566.7613922448.32463331040.116297027805 LINKS R. H. Hardin, Table of n, a(n) for n = 1..2710 FORMULA Empirical for column k: k=1: [linear recurrence of order 26] k=2: [order 96] Empirical for row n: n=1: a(n) = 3*n^5 + 10*n^4 + 15*n^3 + (27/2)*n^2 + (13/2)*n + 1 n=2: [polynomial of degree 6] n=3: [polynomial of degree 7] n=4: [polynomial of degree 8] n=5: [polynomial of degree 9] n=6: [polynomial of degree 9] n=7: [polynomial of degree 9] EXAMPLE Some solutions for n=3 k=4 ..3....3....3....1....4....4....0....0....3....3....2....0....2....3....3....3 ..1....1....1....2....4....3....2....4....3....1....4....3....4....2....0....0 ..0....3....2....2....0....3....0....2....3....2....1....2....0....1....0....4 ..3....2....3....2....2....0....0....4....2....2....1....3....0....1....2....1 ..0....2....3....2....0....0....2....2....1....1....2....2....3....1....3....3 ..0....2....2....3....0....0....0....4....2....0....0....3....0....1....0....1 ..3....3....3....0....2....1....2....2....4....1....4....2....0....4....0....1 ..3....4....1....3....2....4....0....4....2....1....2....3....4....3....1....4 CROSSREFS Sequence in context: A350382 A063874 A063132 * A250082 A012097 A218594 Adjacent sequences:  A250078 A250079 A250080 * A250082 A250083 A250084 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Nov 11 2014 STATUS approved

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Last modified August 19 22:59 EDT 2022. Contains 356231 sequences. (Running on oeis4.)