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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 1
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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2011
STATUS
approved

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)