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A204839 Number of (n+1)X8 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero 1

%I

%S 13786,284982,3530808,60562860,852866652,13850148312,204749436552,

%T 3260124241278,49236962104088,778105899557164,11879817584822700,

%U 187174091342691802,2876184773375657976,45257365906910863478

%N Number of (n+1)X8 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero

%C Column 7 of A204840

%H R. H. Hardin, <a href="/A204839/b204839.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 19 2012

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Last modified November 12 19:41 EST 2019. Contains 329078 sequences. (Running on oeis4.)