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%I #8 Dec 04 2019 13:03:04
%S 3871,13555,13555,44641,224843,44641,180069,793645,793645,180069,
%T 688431,14627079,5719981,14627079,688431,2831919,59657161,78694139,
%U 78694139,59657161,2831919,11333145,986079019,708088685,7174463023,708088685
%N T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with the permanents of all 2X2 subblocks equal and nonzero
%C Table starts
%C .....3871.......13555........44641.........180069.........688431........2831919
%C ....13555......224843.......793645.......14627079.......59657161......986079019
%C ....44641......793645......5719981.......78694139......708088685.....8567876319
%C ...180069....14627079.....78694139.....7174463023....41778004243..3696936217731
%C ...688431....59657161....708088685....41778004243...720594943717.32915600155409
%C ..2831919...986079019...8567876319..3696936217731.32915600155409
%C .11333145..4471465369..83984193841.23045110901481
%C .46809649.66978872631.962997162651
%H R. H. Hardin, <a href="/A204791/b204791.txt">Table of n, a(n) for n = 1..60</a>
%e Some solutions for n=4 k=3
%e ..1..7..6..4....4..6..5..2....5..4..4..4....3..3..0..3....1..5..1..4
%e ..2..0..2..1....5..0..5..4....0..4..1..4....5..0..5..1....5..0..5..5
%e ..1..7..2..6....7..6..5..2....5..4..4..4....1..3..5..2....1..5..5..0
%e ..2..0..2..1....5..0..5..4....5..0..5..0....4..3..0..3....4..5..0..5
%e ..2..7..0..7....3..6..0..6....5..4..4..4....1..3..5..3....1..5..5..5
%K nonn,tabl
%O 1,1
%A _R. H. Hardin_, Jan 19 2012
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