A205835 - OEIS

%I #5 Mar 31 2012 12:37:07

%S 88839,4120230,199775148,9823579164,485313697782,24015926216514,

%T 1189207742465910,58902272401918020,2917798904031864318,

%U 144543808321651240674,7160650215359939671695,354739170301504007421582

%N Number of (n+1)X8 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two

%C Column 7 of A205836

%H R. H. Hardin, <a href="/A205835/b205835.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 01 2012