A263763 Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and exactly one more element moved upwards than downwards

0, 0, 1, 4, 31, 146, 1289, 7736, 68811, 354568, 2562282, 12614090, 80560052, 406847624, 2530379183, 13576171696, 85562497735, 476311791218, 2983359368303, 16861046247216, 104017882519889, 591843352618090, 3599197579892399

Offset

1,4

Comments

Column 7 of A263764

Links

R. H. Hardin, Table of n, a(n) for n = 1..45

Example

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

Crossrefs

Cf. A263764

Sequence in context: A059938 A263761 A263762 * A179562 A281832 A299076

Adjacent sequences: A263760 A263761 A263762 * A263764 A263765 A263766

Keyword

nonn

Author

R. H. Hardin, Oct 25 2015

Status

approved