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

Offset

1,1

Comments

Column 8 of A187964

Links

Table of n, a(n) for n=1..5.

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

Sequence in context: A254091 A254098 A276714 * A028520 A288843 A186580

Adjacent sequences: A187960 A187961 A187962 * A187964 A187965 A187966

Keyword

nonn

Author

R. H. Hardin Mar 16 2011

Status

approved