A263938 Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and the total absolute value of displacements not greater than n.

1, 2, 3, 11, 17, 70, 108, 483, 739, 3426, 5216, 24854, 37674, 182772, 276148, 1356007, 2044208, 10131559, 15248045, 76127580, 114423396, 574672535, 862855785, 4354884748, 6533103057, 33109526739, 49634203231, 252432788850, 378186234038

Offset

1,2

Comments

Column 7 of A263939.

Links

R. H. Hardin, Table of n, a(n) for n = 1..53

Example

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

Crossrefs

Cf. A263939.

Sequence in context: A263935 A263936 A263937 * A263932 A267420 A322422

Adjacent sequences: A263935 A263936 A263937 * A263939 A263940 A263941

Keyword

nonn

Author

R. H. Hardin, Oct 30 2015

Status

approved