cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A263680 Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and with no two consecutive decreases.

Original entry on oeis.org

1, 2, 5, 17, 70, 349, 1658, 7356, 30374, 121676, 479589, 1917853, 7777174, 31840851, 130793340, 537219555, 2200344721, 8992050521, 36701192008, 149773458903, 611384304706, 2496957012448, 10201222295479, 41681902590078
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2015

Keywords

Comments

Column 5 of A263683.

Examples

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

Crossrefs

Cf. A263683.