A249882 Number of length n+6 0..7 arrays with no seven consecutive terms having the maximum of any three terms equal to the minimum of the remaining four terms.

1377040, 8435180, 52655600, 331379292, 2092722780, 13234666552, 83742245992, 529949953516, 3358192453066, 21288206931304, 134961924549462, 855630524458102, 5424416320580056, 34388196239050174, 218000736689229312

Offset

1,1

Comments

Column 7 of A249883

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..0....0....0....1....1....0....1....0....0....1....1....0....0....0....0....1
..1....0....1....1....0....2....0....1....0....0....0....1....1....1....0....1
..0....5....0....0....1....4....0....2....7....7....7....6....2....2....6....2
..5....6....0....4....2....6....7....7....4....5....1....2....3....5....3....0
..3....0....1....6....2....7....5....3....2....3....2....3....3....1....5....3
..5....4....2....3....6....3....0....3....3....5....4....5....5....4....4....2
..4....6....1....3....2....6....2....1....6....2....4....3....3....6....7....3

Crossrefs

Sequence in context: A250058 A205205 A229420 * A252446 A288073 A237240

Adjacent sequences: A249879 A249880 A249881 * A249883 A249884 A249885

Keyword

nonn

Author

R. H. Hardin, Nov 07 2014

Status

approved