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%I #6 Mar 31 2012 12:37:05
%S 16,168,5212,387328,67731268,27913330476,27149753088796,
%T 62383316832685352,338853014329060508764,4353185098169744392741452,
%U 132316928041105714306034574484,9518293354852895518368238072987356
%N Number of (n+1)X(n+1) 0..1 arrays with the number of clockwise edge increases in every 2X2 subblock the same
%C Diagonal of A205255
%H R. H. Hardin, <a href="/A205247/b205247.txt">Table of n, a(n) for n = 1..14</a>
%e Some solutions for n=4
%e ..1..0..0..0..0....1..0..0..0..0....1..1..1..1..1....0..0..0..1..0
%e ..1..1..0..1..0....1..0..1..0..1....1..1..1..1..1....1..1..0..1..0
%e ..1..0..0..1..1....1..0..1..1..1....1..1..1..1..1....0..0..0..0..0
%e ..1..1..1..1..0....1..1..1..0..1....1..1..1..1..1....1..1..0..1..0
%e ..0..0..1..0..0....0..1..0..0..1....1..1..1..1..1....1..0..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 24 2012
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