A244899 Number of length n 0..4 arrays with each partial sum starting from the beginning no more than sqrt(2) standard deviations from its mean

5, 19, 89, 431, 2009, 9257, 45207, 215411, 1061375, 5141999, 24766533, 118872175, 587442511, 2866643947, 13932274863, 69083122581, 339373310671, 1661743983845, 8119703068571, 39618948133555, 196723509789245, 969498651960475

Offset

1,1

Comments

Column 4 of A244903

Links

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

Example

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

Crossrefs

Sequence in context: A296162 A144036 A110210 * A147139 A330445 A149805

Adjacent sequences: A244896 A244897 A244898 * A244900 A244901 A244902

Keyword

nonn

Author

R. H. Hardin, Jul 07 2014

Status

approved