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A185988 1/128 the number of (n+2)X6 binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace 1
200, 6036, 126739, 2854756, 64582504, 1458949494, 32992227496, 746010901791, 16868015727070, 381403214731604, 8623967236516536, 194997737446961630, 4409121678267544114, 99695269869992119527, 2254223823580432667299 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A185993

LINKS

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

EXAMPLE

Some solutions for 4X6

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

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

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

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

CROSSREFS

Sequence in context: A200892 A220390 A231803 * A199534 A035747 A219414

Adjacent sequences:  A185985 A185986 A185987 * A185989 A185990 A185991

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 08 2011

STATUS

approved

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Last modified October 19 09:22 EDT 2021. Contains 348074 sequences. (Running on oeis4.)