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A204758 Number of (n+1)X4 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero 1

%I #5 Mar 31 2012 12:37:03

%S 11081,132787,833401,8155815,60849871,544806119,4311738123,

%T 37343294941,302917445559,2589607938419,21257407100609,

%U 180764516902393,1494000007890351,12675972474619101,105252594049150109

%N Number of (n+1)X4 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero

%C Column 3 of A204763

%H R. H. Hardin, <a href="/A204758/b204758.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..2..3..4..3....5..4..0..4....2..0..2..1....0..2..5..2....0..5..4..3

%e ..3..3..1..3....2..0..2..2....2..1..0..1....2..0..2..0....2..0..2..1

%e ..5..0..5..0....3..4..3..1....0..1..2..4....1..2..2..2....5..5..2..4

%e ..4..3..1..3....2..0..2..2....2..1..0..1....1..2..0..2....2..0..2..1

%e ..1..3..4..3....0..4..0..4....0..1..2..0....0..4..2..2....1..5..2..4

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 18 2012

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Last modified September 16 04:06 EDT 2024. Contains 375959 sequences. (Running on oeis4.)