A183470 Number of nX5 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors

6, 68, 374, 2769, 21280, 153291, 1140298, 8501730, 63020066, 468581721, 3484714268, 25901230607, 192574316408, 1431802305390, 10645025312976, 79144742442479, 588434457795260, 4374940448305943, 32527247664643690

Offset

1,1

Comments

Column 5 of A183474

Links

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

Example

Some solutions for 4X5
..1..1..0..1..1....0..1..0..1..1....1..0..0..0..0....0..0..1..1..1
..1..1..0..1..1....0..1..1..0..0....1..0..0..0..0....0..0..1..1..1
..1..1..0..1..1....0..1..0..1..1....0..0..1..1..0....0..0..0..0..0
..1..1..1..0..1....0..0..0..1..1....0..0..1..1..0....1..1..0..0..0

Crossrefs

Sequence in context: A281058 A152390 A200059 * A281051 A006737 A128869

Adjacent sequences: A183467 A183468 A183469 * A183471 A183472 A183473

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved