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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 0
42683776, 548059536, 6116839902, 57445906202, 907622916436 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 31 01:17 EST 2023. Contains 359947 sequences. (Running on oeis4.)