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A212470 Number of 0..3 arrays of length n+13 with sum no more than 21 in any length 14 subsequence (=50% duty cycle) 1
146861788, 523487828, 1908601444, 7023308036, 25966120647, 96239314549, 357117150362, 1325550644016, 4918335298665, 18232047941771, 67489103954016, 249349516426188, 919083218908202, 3377977784235134, 12373106402582424 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A212471

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..36

EXAMPLE

Some solutions for n=3

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A224642 A185855 A226970 * A180345 A160688 A151696

Adjacent sequences:  A212467 A212468 A212469 * A212471 A212472 A212473

KEYWORD

nonn

AUTHOR

R. H. Hardin May 17 2012

STATUS

approved

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Last modified April 21 06:42 EDT 2019. Contains 322310 sequences. (Running on oeis4.)