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A205232 Number of (n+1)X6 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero 1

%I

%S 17010,1707082,221519116,26740726836,3156944585806,315651250338121,

%T 28822134156853594,2305012794034616115,169242457813735130939,

%U 11278635989796761411020,700226461876038160978441

%N Number of (n+1)X6 0..2 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero

%C Column 5 of A205235

%H R. H. Hardin, <a href="/A205232/b205232.txt">Table of n, a(n) for n = 1..28</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012

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Last modified October 18 01:39 EDT 2021. Contains 348065 sequences. (Running on oeis4.)