A186124 Number of (n+1)X6 binary arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

74, 682, 2978, 17794, 90054, 539962, 2915982, 17129792, 95854320, 556779864, 3165362160, 18297969958, 104743900094, 604164804194, 3469208600426, 19989944278608, 114949082280552, 662041931628544, 3809464845425408

Offset

1,1

Comments

Column 5 of A186128

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 3X6
..1..0..0..0..0..0....1..0..1..1..0..0....1..0..0..1..0..0....0..1..0..1..1..0
..1..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..1..0..1..1..0
..0..0..1..1..1..1....0..1..0..0..1..1....0..1..1..0..1..1....0..1..0..1..1..0

Crossrefs

Sequence in context: A205584 A280402 A250913 * A204353 A300487 A222861

Adjacent sequences: A186121 A186122 A186123 * A186125 A186126 A186127

Keyword

nonn

Author

R. H. Hardin Feb 13 2011

Status

approved