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

200, 6036, 126739, 2854756, 64582504, 1458949494, 32992227496, 746010901791, 16868015727070, 381403214731604, 8623967236516536, 194997737446961630, 4409121678267544114, 99695269869992119527, 2254223823580432667299

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