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A204731 Number of (n+1)X8 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero 1

%I

%S 576738,45388048,763490340,44356355508,1027778516124,49973876676266,

%T 1379568377068438,60188162562780662,1837648605713485414,

%U 75197773659669475358,2433468321143069494236,95939966389515532145076

%N Number of (n+1)X8 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero

%C Column 7 of A204732

%H R. H. Hardin, <a href="/A204731/b204731.txt">Table of n, a(n) for n = 1..16</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 18 2012

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Last modified September 21 16:31 EDT 2021. Contains 347598 sequences. (Running on oeis4.)