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

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

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

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 3 05:29 EST 2020. Contains 338899 sequences. (Running on oeis4.)