A244902 Number of length n 0..7 arrays with each partial sum starting from the beginning no more than sqrt(2) standard deviations from its mean

6, 42, 316, 2336, 17392, 130548, 1019188, 7890336, 61161968, 475132844, 3699945144, 28879091744, 225894152416, 1770414640688, 13899856847820, 107593063689176, 841538380150180, 6603291331821456, 51928633005911364

Offset

1,1

Comments

Column 7 of A244903

Links

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

Example

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

Crossrefs

Sequence in context: A247638 A034171 A264911 * A153293 A145301 A107266

Adjacent sequences: A244899 A244900 A244901 * A244903 A244904 A244905

Keyword

nonn

Author

R. H. Hardin, Jul 07 2014

Status

approved