login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A212467 Number of 0..3 arrays of length n+7 with sum no more than 12 in any length 8 subsequence (=50% duty cycle) 1
36814, 126606, 445780, 1581686, 5622580, 19960518, 70600212, 248263590, 865983608, 3027296124, 10612842491, 37272366925, 131018316920, 460663150544, 1619367566685, 5689883208343, 19982014129382, 70158722229804 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A212471

LINKS

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

EXAMPLE

Some solutions for n=3

..2....2....0....0....0....2....0....0....2....0....0....0....0....2....0....2

..2....2....0....2....2....2....2....0....0....2....2....0....0....0....0....2

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A203939 A061739 A232135 * A187032 A251386 A175748

Adjacent sequences:  A212464 A212465 A212466 * A212468 A212469 A212470

KEYWORD

nonn

AUTHOR

R. H. Hardin May 17 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 May 19 08:25 EDT 2019. Contains 323389 sequences. (Running on oeis4.)