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A250372
Number of length n+6 0..7 arrays with every seven consecutive terms having the maximum of some three terms equal to the minimum of the remaining four terms
1
720112, 3179756, 14647808, 68640720, 320301600, 1460936344, 6398378176, 26383796944, 113797974816, 503805257096, 2254176207808, 10118098941416, 45324022891904, 201877207584720, 891282912333344, 3942816699494356
OFFSET
1,1
COMMENTS
Column 7 of A250373
LINKS
EXAMPLE
Some solutions for n=1
..0....4....4....0....0....4....4....4....0....0....4....0....0....0....0....0
..4....4....4....7....1....0....0....4....0....3....4....7....0....3....3....4
..3....2....4....7....1....3....6....4....4....4....6....7....2....6....5....6
..0....7....4....2....6....2....2....2....3....4....5....7....2....6....4....6
..1....2....4....2....0....6....2....7....2....1....2....7....5....3....7....5
..2....2....3....2....2....6....3....7....2....0....4....7....3....1....7....4
..1....1....0....3....3....3....2....4....7....1....4....4....4....7....4....2
CROSSREFS
Sequence in context: A301643 A252887 A204403 * A015346 A190932 A153580
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2014
STATUS
approved