A244898 Number of length n 0..3 arrays with each partial sum starting from the beginning no more than sqrt(2) standard deviations from its mean

4, 14, 52, 198, 764, 2740, 10484, 40696, 159332, 627156, 2382476, 9325816, 36745928, 140449732, 551401060, 2177363676, 8627713732, 33486205428, 132260864136, 524379503740, 2041541080656, 8075260485044, 32050426949496, 125201330295448

Offset

1,1

Comments

Column 3 of A244903

Links

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

Example

Some solutions for n=9
..3....0....2....0....0....0....2....0....0....0....3....3....2....2....2....0
..0....2....1....2....1....1....3....3....3....1....2....2....2....1....1....1
..0....3....2....3....2....3....1....2....0....3....0....0....1....0....3....3
..0....0....2....1....3....0....2....2....3....2....3....0....0....1....1....3
..2....1....2....3....2....0....1....2....3....0....0....0....3....3....0....3
..3....3....3....2....0....2....3....1....2....3....2....1....0....1....2....0
..0....3....1....3....3....2....2....1....0....2....2....2....2....0....3....2
..3....1....2....1....1....2....0....2....1....0....0....2....3....1....1....0
..3....3....2....3....3....2....1....1....3....0....3....1....3....2....0....1

Crossrefs

Sequence in context: A099486 A047033 A017947 * A244935 A199698 A052710

Adjacent sequences: A244895 A244896 A244897 * A244899 A244900 A244901

Keyword

nonn

Author

R. H. Hardin, Jul 07 2014

Status

approved