

A263784


Number of length n arrays of permutations of 0..n1 with each element moved by 5 to 5 places and exactly two more elements moved upwards than downwards


1



0, 0, 0, 1, 5, 66, 267, 1721, 6618, 35203, 144762, 741173, 3224052, 16013645, 70410201, 336946471, 1484278684, 6936580487, 30771798007, 142201264901, 634570792805, 2910183388216, 13025117664481, 59369311030590
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OFFSET

1,5


COMMENTS

Column 5 of A263787


LINKS

R. H. Hardin, Table of n, a(n) for n = 1..179


EXAMPLE

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


CROSSREFS

Cf. A263787
Sequence in context: A237887 A042491 A183899 * A263785 A263786 A169934
Adjacent sequences: A263781 A263782 A263783 * A263785 A263786 A263787


KEYWORD

nonn


AUTHOR

R. H. Hardin, Oct 26 2015


STATUS

approved



