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A263596
Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and the median of every three consecutive elements nondecreasing.
1
1, 2, 6, 16, 52, 208, 800, 3360, 14024, 55492, 223040, 900728, 3560916, 14099980, 56141676, 222623336, 881949584, 3502057736, 13900013276, 55132695636, 218842222824, 868762179984, 3447429959044, 13682419728976, 54311665765692
OFFSET
1,2
COMMENTS
Column 7 of A263597.
LINKS
EXAMPLE
Some solutions for n=6
..3....1....2....0....1....1....0....0....5....5....1....3....5....0....1....5
..0....0....1....5....2....0....1....1....1....0....0....0....1....1....0....0
..2....3....0....1....3....3....2....3....2....1....4....1....0....3....3....1
..4....4....5....3....4....5....4....5....4....3....2....4....3....2....4....4
..1....2....4....4....5....4....3....2....0....4....3....5....4....5....5....2
..5....5....3....2....0....2....5....4....3....2....5....2....2....4....2....3
CROSSREFS
Cf. A263597.
Sequence in context: A300668 A263594 A263595 * A263591 A218779 A241066
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 22 2015
STATUS
approved