A185483 Number of (n+1)X6 binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant

632, 15402, 260172, 5026765, 92026207, 1723639416, 31993561712, 596127705496, 11090335813888, 206455498003433, 3842337223051085, 71517322707543044, 1331091602445994492, 24774933644949671704, 461119872360212975722

Offset

1,1

Comments

Column 5 of A185487

Links

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

Example

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

Crossrefs

Sequence in context: A006913 A154088 A321639 * A074762 A177684 A177214

Adjacent sequences: A185480 A185481 A185482 * A185484 A185485 A185486

Keyword

nonn

Author

R. H. Hardin Jan 28 2011

Status

approved