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A212736 Number of 0..2 arrays of length 2*n+6 with sum less than 2*n in any length 2n subsequence (=less than 50% duty cycle) 1
55, 3086, 54747, 709626, 7819020, 80249504, 792966548, 7657995382, 72853584571, 685883384889, 6408438989184, 59535068213979, 550647094657383, 5075205382055011, 46645202282176349, 427714444192049276 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A212729

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

..0....0....0....0....0....0....1....0....1....0....0....0....0....1....0....1

..0....0....0....0....0....0....0....1....0....1....0....0....1....0....0....1

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

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

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

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

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

CROSSREFS

Sequence in context: A027548 A231640 A076657 * A221767 A095659 A081993

Adjacent sequences:  A212733 A212734 A212735 * A212737 A212738 A212739

KEYWORD

nonn

AUTHOR

R. H. Hardin May 25 2012

STATUS

approved

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Last modified October 26 11:29 EDT 2020. Contains 338027 sequences. (Running on oeis4.)