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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 08 2011
STATUS
approved

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Last modified May 15 04:25 EDT 2024. Contains 372536 sequences. (Running on oeis4.)