A205225 Number of (n+1)X8 0..1 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..1 introduced in row major order

2228, 5700, 13032, 35928, 98924, 283148, 811604, 2316508, 6722572, 19126684, 55931004, 158866012, 466472412, 1324163452, 3895852628, 11060567268, 32569903236, 92510460284, 272504460204, 774392667980, 2281374454932

Offset

1,1

Comments

Column 7 of A205226

Links

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

Example

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

Crossrefs

Sequence in context: A118116 A053395 A178919 * A236496 A208181 A252644

Adjacent sequences: A205222 A205223 A205224 * A205226 A205227 A205228

Keyword

nonn

Author

R. H. Hardin Jan 23 2012

Status

approved