A263934 Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and the total absolute value of displacements not greater than n.

1, 2, 3, 11, 17, 70, 108, 423, 664, 2667, 4221, 17124, 27252, 110935, 177405, 725107, 1163953, 4771005, 7682169, 31554697, 50941468, 209597918, 339124586, 1397219579, 2265010733, 9342385131, 15170198411, 62629743919, 101848723545

Offset

1,2

Comments

Column 3 of A263939.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Cf. A263939.

Sequence in context: A263933 A061400 A090474 * A263935 A263936 A263937

Adjacent sequences: A263931 A263932 A263933 * A263935 A263936 A263937

Keyword

nonn

Author

R. H. Hardin, Oct 30 2015

Status

approved