

A244781


Number of length n 0..1 arrays with each partial sum starting from the beginning no more than one standard deviation from its mean.


3



2, 2, 4, 8, 12, 24, 36, 72, 144, 252, 504, 864, 1728, 2952, 5904, 11808, 21888, 43776, 79920, 159840, 290160, 580320, 1051200, 2102400, 4204800, 8010000, 16020000, 30189600, 60379200, 113252400, 226504800, 423828000, 847656000, 1584075600
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OFFSET

1,1


COMMENTS

Column 1 of A244788


LINKS

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


EXAMPLE

Some solutions for n=10
..1....0....1....1....1....1....0....1....1....0....1....0....1....0....1....0
..0....1....0....0....0....0....1....0....0....1....0....1....0....1....0....1
..1....0....0....0....0....1....0....1....0....1....0....1....0....1....0....0
..0....1....1....1....1....0....1....1....1....0....1....1....1....0....1....1
..0....0....0....0....1....0....0....0....1....1....1....0....0....0....1....0
..1....1....1....1....1....1....0....1....0....1....0....1....0....1....0....1
..0....0....0....1....0....1....1....0....0....0....1....0....1....1....0....0
..1....0....0....0....0....0....1....1....1....1....0....0....0....1....1....1
..0....1....1....1....0....1....0....1....1....0....1....0....1....0....0....1
..0....1....0....1....0....0....0....0....0....0....0....0....1....1....0....0


CROSSREFS

Sequence in context: A104221 A078044 A153993 * A052907 A048114 A268691
Adjacent sequences: A244778 A244779 A244780 * A244782 A244783 A244784


KEYWORD

nonn


AUTHOR

R. H. Hardin, Jul 06 2014


STATUS

approved



