login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

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 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A244897 Number of length n 0..2 arrays with each partial sum starting from the beginning no more than sqrt(2) standard deviations from its mean 1
3, 7, 21, 59, 163, 447, 1341, 3905, 11271, 32357, 92607, 277821, 820177, 2408409, 7047447, 20576017, 59979511, 174642457, 523927371, 1555935031, 4604936281, 13597391065, 40088645243, 118057542207, 347369262425, 1021399936433 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A244903

LINKS

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

EXAMPLE

Some solutions for n=10

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A091489 A104779 A178718 * A091650 A096240 A182887

Adjacent sequences:  A244894 A244895 A244896 * A244898 A244899 A244900

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 07 2014

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 8 17:01 EST 2021. Contains 349596 sequences. (Running on oeis4.)