A212400 Number of binary arrays of length n+11 with no more than 6 ones in any length 12 subsequence (=50% duty cycle)

2510, 4558, 8402, 15586, 29002, 54042, 100736, 187696, 349360, 649232, 1203940, 2226644, 4104676, 7573112, 13992148, 25879040, 47898464, 88693997, 164277882, 304304060, 563672655, 1043992249, 1933271058, 3579337110, 6625751995

Offset

1,1

Comments

Column 6 of A212402

Links

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

Example

Some solutions for n=3
..0....1....1....1....1....1....0....0....0....1....0....1....0....0....1....1
..0....1....1....1....1....1....0....1....1....0....0....1....0....0....1....1
..1....0....0....0....0....0....1....0....0....0....1....0....1....0....0....0
..1....0....0....0....0....1....1....0....0....1....0....0....0....0....1....0
..0....1....0....0....1....0....1....0....0....0....0....1....1....1....1....0
..0....0....1....1....0....1....0....1....0....1....1....0....0....0....0....1
..1....0....0....0....0....0....1....1....0....0....0....0....0....0....1....1
..1....0....0....0....0....1....0....1....1....1....1....1....0....1....1....1
..0....0....0....0....0....0....0....0....0....1....0....0....0....0....0....0
..0....0....1....0....0....1....0....0....1....0....0....0....0....1....0....1
..0....1....1....0....0....0....0....1....0....1....1....1....0....1....0....0
..0....1....0....0....1....0....1....0....1....0....0....1....0....0....0....0
..0....1....1....0....1....0....0....1....1....0....0....0....1....1....0....1
..1....0....0....1....1....0....0....0....0....1....1....1....1....0....1....0

Crossrefs

Sequence in context: A251854 A203055 A031621 * A215197 A250694 A250679

Adjacent sequences: A212397 A212398 A212399 * A212401 A212402 A212403

Keyword

nonn

Author

R. H. Hardin May 14 2012

Status

approved