A263735 Number of length n arrays of permutations of 0..n-1 with each element moved by -9 to 9 places and the average of every three consecutive elements is never greater than the median of the previous three elements

1, 2, 6, 14, 38, 127, 411, 1492, 6478, 27635, 82661, 181804, 208161, 250011, 332409, 197430, 232182, 766301, 1721750, 4192748, 12862451, 27041182, 60646776, 169467709, 318026610, 659217772, 1792425472, 3178841364, 6589021611

Offset

1,2

Comments

Column 9 of A263736

Links

R. H. Hardin, Table of n, a(n) for n = 1..38

Example

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

Crossrefs

Cf. A263736

Sequence in context: A263732 A263733 A263734 * A263731 A293742 A299119

Adjacent sequences: A263732 A263733 A263734 * A263736 A263737 A263738

Keyword

nonn

Author

R. H. Hardin, Oct 25 2015

Status

approved