

A263733


Number of length n arrays of permutations of 0..n1 with each element moved by 7 to 7 places and the average of every three consecutive elements is never greater than the median of the previous three elements


1



1, 2, 6, 14, 38, 127, 411, 1492, 3949, 5100, 3673, 4157, 1576, 776, 1985, 2939, 4462, 10245, 14916, 18883, 41021, 52695, 66751, 160187, 222729, 317410, 783368, 1130264, 1595369, 3761189, 5260242, 7109813, 16798814, 23469508, 31907340, 76564040
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OFFSET

1,2


COMMENTS

Column 7 of A263736


LINKS

R. H. Hardin, Table of n, a(n) for n = 1..300


EXAMPLE

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


CROSSREFS

Cf. A263736
Sequence in context: A217861 A188492 A263732 * A263734 A263735 A263731
Adjacent sequences: A263730 A263731 A263732 * A263734 A263735 A263736


KEYWORD

nonn


AUTHOR

R. H. Hardin, Oct 25 2015


STATUS

approved



