login
Number of (n+1)X8 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
0

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

%S 3375401,529805350,440473683078,69556988274126,57870112115269814

%N Number of (n+1)X8 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 Column 7 of A206169

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 04 2012