A206176 - OEIS

%I #4 Mar 31 2012 12:37:10

%S 5514982,850283062,257597022598,99795262195942,41314757480152390,

%T 17594902146494956438

%N Number of 8X(n+1) 0..3 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..3 introduced in row major order

%C Row 7 of A206169

%e Some solutions for n=4

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

%e ..0..1..0..0..3....1..0..0..1..1....0..2..0..0..0....0..1..0..2..0

%e ..2..1..2..2..1....2..3..2..2..0....3..1..3..1..2....2..1..3..3..0

%e ..3..2..2..3..2....3..3..3..2..2....0..3..0..3..1....0..2..1..3..3

%e ..3..0..1..3..2....0..0..0..1..1....2..1..2..2..0....0..2..0..2..0

%e ..0..0..0..1..3....2..0..1..1..0....2..2..3..2..2....1..0..3..0..1

%e ..1..3..2..1..0....1..0..2..2..0....1..0..1..1..3....1..0..1..2..1

%e ..2..1..3..2..1....2..1..0..2..2....1..1..1..2..1....3..1..3..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 04 2012