A184463 Half the number of (n+1)X6 binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks

334, 12324, 616534, 33787978, 1925704384, 112210745828, 6636592203096, 396770571117114, 23916105558978568, 1450886078150900726, 88476176169893590874, 5418407297450835597284, 333018547198651616447064

Offset

1,1

Comments

Column 5 of A184467

Links

R. H. Hardin, Table of n, a(n) for n = 1..75

Example

Some solutions for 3X6
..0..1..0..0..0..1....0..1..1..1..1..1....0..0..1..1..1..0....0..1..1..0..1..0
..0..0..1..1..0..1....1..1..0..0..0..0....1..1..0..0..0..1....0..1..1..0..0..0
..0..1..1..1..1..0....1..1..0..0..1..0....1..1..0..0..1..1....1..0..1..1..1..0
...
...M..E..E..M..E.......P..P..E..E..E.......E..E..E..E..E.......E..P..E..M..M...
...M..P..P..P..E.......P..E..M..M..M.......P..E..M..M..P.......E..P..P..E..M...

Crossrefs

Sequence in context: A331411 A020367 A254705 * A303210 A278098 A303209

Adjacent sequences: A184460 A184461 A184462 * A184464 A184465 A184466

Keyword

nonn

Author

R. H. Hardin Jan 15 2011

Status

approved