A263785 Number of length n arrays of permutations of 0..n-1 with each element moved by -6 to 6 places and exactly two more elements moved upwards than downwards

0, 0, 0, 1, 5, 66, 392, 3522, 15699, 104014, 463811, 2735525, 12858073, 74523350, 369725340, 2110660483, 10653316753, 59256398945, 300481718854, 1633653025795, 8329842362903, 44742563812167, 229817730687508, 1226116608834208

Offset

1,5

Comments

Column 6 of A263787

Links

R. H. Hardin, Table of n, a(n) for n = 1..96

Example

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

Crossrefs

Cf. A263787

Sequence in context: A042491 A183899 A263784 * A263786 A169934 A162443

Adjacent sequences: A263782 A263783 A263784 * A263786 A263787 A263788

Keyword

nonn

Author

R. H. Hardin, Oct 26 2015

Status

approved