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%I #10 Dec 05 2019 07:09:10
%S 256,912,912,3067,11196,3067,13654,110253,110253,13654,59330,1777586,
%T 1417535,1777586,59330,294349,26732072,49673755,49673755,26732072,
%U 294349,1450678,435788333,946613919,4560581070,946613919,435788333,1450678
%N T(n,k) is the number of (n+1) X (k+1) 0..3 matrices with each 2 X 2 permanent equal.
%C Table starts
%C .....256..........912...........3067.............13654................59330
%C .....912........11196.........110253...........1777586.............26732072
%C ....3067.......110253........1417535..........49673755............946613919
%C ...13654......1777586.......49673755........4560581070.........226665118676
%C ...59330.....26732072......946613919......226665118676.......14139394308728
%C ..294349....435788333....27297398415....16533408013041.....2261199424343729
%C .1450678...6995454550...603337019865..1006241870944880...186370133088417660
%C .7519806.113660299418.15860938451645.68438742000698746.24455901660390402808
%H R. H. Hardin, <a href="/A224975/b224975.txt">Table of n, a(n) for n = 1..180</a>
%e Some solutions for n=2 k=4
%e ..0..0..0..0..2....2..0..0..0..0....0..0..0..3..2....2..0..0..0..0
%e ..0..0..1..0..1....0..0..1..2..0....0..0..0..0..0....0..0..0..0..0
%e ..2..0..3..0..2....0..0..0..0..0....0..2..1..3..2....2..0..0..1..3
%K nonn,tabl
%O 1,1
%A _R. H. Hardin_, Apr 21 2013
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