A244827 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A244827

Number of length n 0..3 arrays with each partial sum starting from the beginning no more than two standard deviations from its mean.

4, 16, 62, 242, 950, 3744, 14802, 58662, 232916, 926120, 3628422, 14381528, 57148222, 227453736, 906239638, 3576510068, 14222021944, 56647350200, 225861048608, 901148151936, 3573218491998, 14238032956598, 56794010648340

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 3 of A244832.

LINKS

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

EXAMPLE

Some solutions for n=8

..3....3....3....1....3....1....1....3....2....1....3....2....0....3....3....1

..2....1....0....0....1....2....1....0....3....1....1....2....2....0....0....3

..2....3....3....2....3....0....1....1....2....0....1....1....0....1....2....2

..2....2....3....1....0....1....2....3....1....1....3....1....3....2....0....3

..1....3....3....1....1....0....0....2....3....0....2....2....3....0....3....0

..1....1....2....0....1....2....0....3....0....1....0....2....2....0....0....2

..2....2....2....3....1....2....1....3....0....3....3....1....1....0....3....2

..1....3....2....3....1....3....1....2....3....1....1....2....1....0....0....3

CROSSREFS

Cf. A244832.

Sequence in context: A171278 A227438 A206839 * A169760 A222699 A034542

Adjacent sequences: A244824 A244825 A244826 * A244828 A244829 A244830

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 06 2014

STATUS

approved