login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A250013
Number of length n+5 0..7 arrays with no six consecutive terms having the maximum of any three terms equal to the minimum of the remaining three terms
1
182000, 1140160, 7259024, 46481536, 298220320, 1914587120, 12294501768, 78993574080, 507664903912, 3262820072464, 20971032768776, 134788324456432, 866341705785656, 5568413029997168, 35791244804470984, 230050811550911456
OFFSET
1,1
COMMENTS
Column 7 of A250014
LINKS
EXAMPLE
Some solutions for n=1
..1....0....3....2....1....0....0....3....1....2....0....3....1....3....3....1
..7....6....5....6....6....6....3....0....7....1....2....1....5....7....6....2
..7....3....7....0....3....4....1....7....4....5....0....5....0....1....7....5
..1....2....4....2....7....1....6....6....5....7....0....6....0....5....5....6
..2....6....2....0....7....7....5....4....1....1....3....0....4....2....1....0
..4....1....7....0....2....7....7....7....3....6....3....1....6....4....7....5
CROSSREFS
Sequence in context: A145536 A375118 A249959 * A258842 A368939 A030466
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 10 2014
STATUS
approved