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).

55, 3086, 54747, 709626, 7819020, 80249504, 792966548, 7657995382, 72853584571, 685883384889, 6408438989184, 59535068213979, 550647094657383, 5075205382055011, 46645202282176349, 427714444192049276

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