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A212725 Number of 0..2 arrays of length n+7 with sum less than 8 in any length 8 subsequence (=less than 50% duty cycle) 1
2727, 6681, 16878, 43050, 109995, 280255, 709626, 1780062, 4409127, 10965130, 27408735, 68729661, 172613504, 433687965, 1089178972, 2732863735, 6849615759, 17159775343, 42994448177, 107761756345, 270179147077, 677511074112 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A212729

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A167836 A290644 A231289 * A031608 A043579 A166780

Adjacent sequences:  A212722 A212723 A212724 * A212726 A212727 A212728

KEYWORD

nonn

AUTHOR

R. H. Hardin May 25 2012

STATUS

approved

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Last modified May 14 12:37 EDT 2021. Contains 343883 sequences. (Running on oeis4.)