A267642 Number of nX6 0..1 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.

11, 242, 1353, 12623, 47715, 343145, 1117207, 7479533, 22499181, 150415627, 429242911, 2954085199, 8086558295, 58043181513, 153186588731, 1151896473495, 2939148319421, 23154681921613, 57239339798173, 471401152901559

Offset

1,1

Comments

Column 6 of A267644.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..0..0..1..0..1..0....0..1..0..0..1..0....0..1..0..1..1..0....0..1..0..1..1..0
..1..0..1..0..1..0....0..0..1..0..1..1....1..0..1..1..0..1....0..0..1..1..0..0
..0..1..0..1..0..1....1..0..1..1..0..0....1..1..0..0..1..0....1..1..0..0..1..1
..1..0..0..1..1..0....0..1..0..1..1..0....0..0..1..0..1..0....1..1..0..0..1..1
..0..1..1..0..0..1....1..0..1..0..0..1....1..1..0..1..0..1....0..0..1..1..0..0

Crossrefs

Cf. A267644.

Sequence in context: A077422 A361143 A377451 * A267665 A196258 A121826

Adjacent sequences: A267639 A267640 A267641 * A267643 A267644 A267645

Keyword

nonn

Author

R. H. Hardin, Jan 18 2016

Status

approved