A263641 Number of length n arrays of permutations of 0..n-1 with each element moved by -6 to 6 places and with no two consecutive increases.

1, 2, 5, 17, 70, 349, 2017, 9673, 36321, 138420, 511748, 1952716, 7596839, 30518737, 122761971, 492354214, 1954807815, 7749597167, 30587342598, 120939248751, 478688493595, 1897205025687, 7520593309740, 29825363773570, 118218233684104

Offset: 1

Author

R. H. Hardin, Oct 22 2015

Keywords

• nonn

Comments

Column 6 of A263643.

Examples

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

Links

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

Crossrefs

Cf. A263643.