A267665 Number of nX6 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

11, 242, 5324, 60401, 624476, 5663798, 49212395, 413258400, 3417993766, 28026084373, 228941114008, 1868432655976, 15254571685815, 124714040038344, 1021298776008550, 8379613096399389, 68885791116415104, 567383480583996940

Offset

1,1

Comments

Column 6 of A267667.

Links

R. H. Hardin, Table of n, a(n) for n = 1..209

Example

Some solutions for n=4
..0..1..0..1..1..0....0..0..1..0..1..0....0..1..1..0..0..1....0..1..1..0..1..0
..1..0..1..0..1..0....1..1..0..1..0..0....0..0..1..1..0..0....1..1..0..1..0..1
..1..0..1..0..1..0....1..0..0..1..0..1....1..1..0..1..0..1....0..1..0..1..1..0
..1..1..0..1..0..1....1..0..1..1..0..0....0..1..1..0..0..1....1..1..0..0..1..0

Crossrefs

Cf. A267667.

Sequence in context: A077422 A361143 A267642 * A196258 A121826 A041223

Adjacent sequences: A267662 A267663 A267664 * A267666 A267667 A267668

Keyword

nonn

Author

R. H. Hardin, Jan 19 2016

Status

approved