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A259289 Number of (n+1)X(n+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0001 0101 or 0111 0

%I

%S 10,94,1460,43870,2293928,224879224,39630793526,12907069546270,

%T 7658473109336548,8358931948086081568,16708747158923511120478,

%U 61372969404995540219424992,413745383754977580838956886918

%N Number of (n+1)X(n+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0001 0101 or 0111

%C Diagonal of A259297

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A259297

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 23 2015

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Last modified June 25 02:21 EDT 2022. Contains 354835 sequences. (Running on oeis4.)