[go: up one dir, main page]

login
A250149
Number of length n+6 0..3 arrays with every seven consecutive terms having the maximum of some two terms equal to the minimum of the remaining five terms
1
9160, 26710, 79740, 240144, 721644, 2144132, 6242596, 17629584, 51324016, 150838232, 444777588, 1311902606, 3863379144, 11344019324, 33217022852, 97452211700, 286572431480, 843400469300, 2482367633512, 7303546874830
OFFSET
1,1
COMMENTS
Column 3 of A250154
LINKS
EXAMPLE
Some solutions for n=3
..2....0....2....2....0....3....2....1....1....2....3....3....3....2....1....2
..1....1....0....1....3....2....1....1....1....3....0....0....3....2....0....3
..1....2....0....2....3....3....0....1....3....2....3....0....1....2....0....0
..2....0....0....0....2....3....0....1....1....1....3....3....3....2....2....2
..2....3....0....3....3....2....1....2....1....1....1....1....1....2....2....0
..1....0....0....1....2....2....0....2....3....0....1....0....3....2....0....2
..3....0....2....2....2....3....0....3....3....1....3....2....1....3....2....0
..3....0....2....2....3....0....3....2....1....2....2....0....2....0....3....0
..1....1....1....1....3....3....1....1....3....2....1....1....2....2....0....1
CROSSREFS
Sequence in context: A256766 A210140 A232759 * A243969 A231424 A234887
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2014
STATUS
approved