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A185864 1/128 the number of (n+2)X9 binary arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace 1
122284, 4312662, 193660943, 8546141676, 392747944918, 18748403999482, 902732470133370, 43465221457460786, 2093335363577578796, 100815258015066256683, 4855874608710554589630, 233881846629007685815503 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A185866

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 4X9

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

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

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

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

CROSSREFS

Sequence in context: A066881 A048903 A237793 * A236797 A115545 A224584

Adjacent sequences:  A185861 A185862 A185863 * A185865 A185866 A185867

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 05 2011

STATUS

approved

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Last modified November 16 02:33 EST 2018. Contains 317252 sequences. (Running on oeis4.)