A205234 - OEIS

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

%S 198325,76088840,48815088704,36382087706267,28822134156853594

%N Number of (n+1)X8 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero

%C Column 7 of A205235

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012