A187963 - OEIS

A187963

Half the number of (n+2)X10 binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum

42683776, 548059536, 6116839902, 57445906202, 907622916436

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

OFFSET

1,1

COMMENTS

Column 8 of A187964

LINKS

EXAMPLE

Some solutions for 4X10 with a(1,1)=0

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

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

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved