A184610 Half the number of (n+1)X6 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one

1250, 32042, 828804, 22837236, 624608260, 16993352260, 462355902596, 12592730376316, 342921355920877, 9337694288241678, 254263229613894979, 6923654028252059932, 188532234364421561529, 5133759961479300129378

Offset

1,1

Comments

Column 5 of A184614

Links

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

Example

Some solutions for 3X6
..0..0..1..0..1..1....0..1..1..0..1..0....0..0..0..1..0..1....0..0..0..1..0..0
..0..0..0..1..0..1....1..0..0..0..0..1....0..0..1..0..1..1....0..0..0..0..1..0
..0..0..0..0..1..1....0..1..1..0..0..0....1..0..0..0..1..0....1..0..1..1..0..0
...
...0..1..2..2..3.......2..2..1..1..2.......0..1..2..2..3.......0..0..1..2..1...
...0..0..1..2..3.......2..2..1..0..1.......1..1..1..2..3.......1..1..2..2..1...

Crossrefs

Sequence in context: A122272 A330650 A195810 * A106322 A035762 A107558

Adjacent sequences: A184607 A184608 A184609 * A184611 A184612 A184613

Keyword

nonn

Author

R. H. Hardin Jan 18 2011

Status

approved