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A186803
Number of (n+2)X8 binary arrays with no 3X3 subblock commuting with any horizontal or vertical neighbor 3X3 subblock
0
15016660, 3147544633, 675297305236, 144968185692408, 31102381776833744, 6674101867860962707
OFFSET
1,1
COMMENTS
Column 6 of A186806
EXAMPLE
Some solutions for 4X8
..0..1..1..0..1..0..0..0....0..1..1..1..1..0..1..1....0..1..1..1..1..0..0..0
..0..0..0..0..1..0..0..1....0..0..0..0..0..0..0..0....0..0..0..0..0..0..1..1
..0..0..0..0..1..0..1..0....0..0..0..0..1..0..0..0....0..0..0..0..1..0..1..0
..0..1..0..1..0..1..1..0....0..1..0..1..0..0..1..1....0..1..0..1..1..0..0..0
CROSSREFS
Sequence in context: A227286 A125565 A204313 * A221561 A221559 A104334
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2011
STATUS
approved