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A244782
Number of length n 0..2 arrays with each partial sum starting from the beginning no more than one standard deviation from its mean.
4
1, 3, 7, 17, 41, 123, 345, 953, 2613, 7149, 19541, 53397, 145893, 437679, 1273955, 3675989, 10551223, 30194773, 86246645, 246068131, 701551365, 1999277391, 5695980955, 17087942865, 50401117439, 147878352761, 432425644451
OFFSET
1,2
COMMENTS
Column 2 of A244788
LINKS
EXAMPLE
Some solutions for n=10
..1....1....1....1....1....1....1....1....1....1....1....1....1....1....1....1
..1....1....2....1....0....1....1....0....2....0....1....1....2....2....2....0
..2....1....0....1....2....0....0....2....0....2....0....0....1....1....0....2
..1....0....0....0....2....2....2....0....0....2....1....2....1....1....1....2
..1....2....1....1....0....1....2....1....1....0....1....1....0....0....0....1
..1....1....0....1....0....2....0....0....2....0....1....0....2....2....1....2
..2....2....2....0....2....1....0....1....0....2....1....0....0....2....2....0
..1....1....0....2....0....1....0....1....1....0....1....2....1....1....0....1
..1....2....2....2....0....2....2....2....2....0....2....0....0....1....0....1
..1....0....1....1....2....1....2....2....0....1....0....2....2....0....2....2
CROSSREFS
Sequence in context: A131721 A259855 A058351 * A175094 A086395 A020730
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 06 2014
STATUS
approved