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A186804
Number of (n+2)X9 binary arrays with no 3X3 subblock commuting with any horizontal or vertical neighbor 3X3 subblock
0
117671951, 47657171957, 19839195220290, 8263791225579948, 3439855711337907764
OFFSET
1,1
COMMENTS
Column 7 of A186806
EXAMPLE
Some solutions for 4X9
..0..1..1..0..0..0..0..1..0....0..1..1..0..1..0..1..0..1
..0..0..0..0..1..0..1..0..0....0..0..0..0..0..0..1..0..0
..0..0..0..0..0..0..1..1..1....0..0..0..0..0..0..1..0..1
..0..1..0..1..0..0..1..0..1....0..1..0..1..0..1..1..0..0
CROSSREFS
Sequence in context: A206062 A157770 A195282 * A344632 A015380 A250458
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2011
STATUS
approved