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%I #8 Dec 04 2019 13:03:53
%S 56,132,132,318,524,318,804,1616,1616,804,2048,6370,7070,6370,2048,
%T 5304,21380,34100,34100,21380,5304,13786,81706,157872,247108,157872,
%U 81706,13786,36074,284982,752028,1438706,1438706,752028,284982,36074,94630
%N T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero
%C Table starts
%C ....56.....132......318.......804.......2048.........5304.........13786
%C ...132.....524.....1616......6370......21380........81706........284982
%C ...318....1616.....7070.....34100.....157872.......752028.......3530808
%C ...804....6370....34100....247108....1438706......9984856......60562860
%C ..2048...21380...157872...1438706...11643054....102186340.....852866652
%C ..5304...81706...752028...9984856..102186340...1289881302...13850148312
%C .13786..284982..3530808..60562860..852866652..13850148312..204749436552
%C .36074.1068556.16789864.410479794.7401341360.170465231268.3260124241278
%H R. H. Hardin, <a href="/A204840/b204840.txt">Table of n, a(n) for n = 1..264</a>
%e Some solutions for n=4 k=3
%e ..2..2..1..2....1..0..1..2....0..2..2..2....2..1..0..1....1..1..0..1
%e ..1..2..2..2....2..1..0..1....2..1..1..1....0..1..2..2....1..1..2..2
%e ..2..2..1..2....1..0..1..2....0..2..2..2....2..1..0..1....1..1..0..1
%e ..1..2..2..2....0..1..0..1....2..2..0..2....2..0..2..2....1..1..2..2
%e ..2..2..1..2....1..1..1..0....0..2..2..2....2..1..1..0....1..1..0..1
%K nonn,tabl
%O 1,1
%A _R. H. Hardin_, Jan 19 2012
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