A186801 - OEIS

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A186801

Number of (n+2)X6 binary arrays with no 3X3 subblock commuting with any horizontal or vertical neighbor 3X3 subblock

244558, 13730715, 782510382, 44618824642, 2543130767720, 144968185692408, 8263791225579948, 471067696528736345, 26852704296317001032, 1530709282365815254320, 87256413284003840550168

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 4 of A186806

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..147

EXAMPLE

Some solutions for 4X6

..0..0..1..1..0..1....0..0..0..0..1..0....1..0..0..1..1..1....0..1..0..1..1..1

..0..0..0..1..1..1....0..0..1..0..0..0....0..0..1..1..0..1....0..0..1..1..0..1

..0..0..0..1..1..1....1..0..0..0..1..1....0..0..0..0..1..1....1..0..0..1..0..1

..1..0..0..0..0..1....1..0..0..1..1..0....0..0..0..1..0..0....0..0..0..0..0..1

CROSSREFS

Sequence in context: A187534 A140792 A083623 * A157761 A349086 A347890

Adjacent sequences: A186798 A186799 A186800 * A186802 A186803 A186804

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 26 2011

STATUS

approved