A205334 - OEIS

%I #4 Mar 31 2012 12:37:05

%S 352512,21939984,1857980448,176201014416,16923247919040,

%T 1628712097341660,156775478748243528

%N Number of (n+1)X8 0..2 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..2 introduced in row major order

%C Column 7 of A205335

%e Some solutions for n=4

%e ..0..1..2..1..2..0..0..1....0..0..0..1..2..2..0..2....0..1..2..2..0..0..1..0

%e ..1..2..1..0..2..2..1..0....2..1..0..2..1..1..2..0....1..0..1..0..1..2..0..1

%e ..1..2..2..0..0..0..2..2....1..0..1..0..0..1..0..0....2..1..0..2..1..1..1..1

%e ..0..1..0..2..2..0..1..2....1..0..0..1..0..1..1..1....0..1..1..2..2..2..1..1

%e ..0..2..1..1..2..1..2..1....2..1..2..0..1..1..1..2....2..0..2..1..0..2..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 26 2012