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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A212735 Number of 0..2 arrays of length 2*n+5 with sum less than 2*n in any length 2n subsequence (=less than 50% duty cycle). 1
34, 1439, 23401, 280255, 2972836, 29835132, 290452176, 2775231053, 26189744683, 245006857362, 2277473995224, 21068335938696, 194166918655953, 1784115118999135, 16353838690603299, 149606998633530039 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A212729.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

..0....0....0....0....0....0....0....0....0....0....0....0....0....1....0....0

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

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

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

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

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

CROSSREFS

Cf. A212729.

Sequence in context: A297693 A093550 A296587 * A123790 A297636 A212033

Adjacent sequences:  A212732 A212733 A212734 * A212736 A212737 A212738

KEYWORD

nonn

AUTHOR

R. H. Hardin May 25 2012

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 13 17:37 EDT 2022. Contains 356107 sequences. (Running on oeis4.)