A186803 - OEIS

A186803

Number of (n+2)X8 binary arrays with no 3X3 subblock commuting with any horizontal or vertical neighbor 3X3 subblock

15016660, 3147544633, 675297305236, 144968185692408, 31102381776833744, 6674101867860962707

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

OFFSET

1,1

COMMENTS

Column 6 of A186806

LINKS

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

KEYWORD

nonn

AUTHOR

STATUS

approved