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A212468 Number of 0..3 arrays of length n+9 with sum no more than 15 in any length 10 subsequence (=50% duty cycle) 1
582440, 2034200, 7274268, 26242268, 95010466, 344305566, 1246724695, 4504766041, 16223101320, 58162431112, 207319630999, 740101423056, 2647902413670, 9488805055639, 34037887492235, 122166508976307 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A212471

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..56

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A234226 A190682 A231253 * A050518 A249610 A254551

Adjacent sequences:  A212465 A212466 A212467 * A212469 A212470 A212471

KEYWORD

nonn

AUTHOR

R. H. Hardin May 17 2012

STATUS

approved

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Last modified May 23 07:30 EDT 2019. Contains 323508 sequences. (Running on oeis4.)