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!)
A213464 T(n,k)=Number of 0..3 arrays of length n+2*k-1 with sum less than 3*k in any length 2k subsequence (=less than 50% duty cycle) 14
6, 106, 14, 1758, 310, 31, 28722, 5542, 927, 70, 466136, 94238, 18018, 2735, 157, 7536790, 1568984, 319078, 58898, 7803, 353, 121573668, 25829770, 5444644, 1091036, 191573, 22506, 793, 1957953138, 422335348, 91147915, 19105020, 3737885 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

....6....106....1758.....28722.....466136.....7536790....121573668

...14....310....5542.....94238....1568984....25829770....422335348

...31....927...18018....319078....5444644....91147915...1508740928

...70...2735...58898...1091036...19105020...325333429...5451265872

..157...7803..191573...3737885...67329406..1167362677..19808276303

..353..22506..615561..12773955..237475982..4198162231..72188618371

..793..65425.1940673..43399990..836356119.15103463125.263422708979

.1782.190318.6155514.146145812.2935825527.54284048195.961420842175

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..897

EXAMPLE

Some solutions for n=3 k=4

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Column 1 is A006356(n+1)

Sequence in context: A259156 A075068 A055763 * A213465 A214349 A305134

Adjacent sequences:  A213461 A213462 A213463 * A213465 A213466 A213467

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jun 12 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 May 22 04:12 EDT 2022. Contains 353933 sequences. (Running on oeis4.)