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A204729 Number of (n+1)X6 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero 1

%I

%S 50920,1425462,14348560,304649012,3884003062,72313926190,

%T 1027778516124,17963607952810,269301324917098,4566438295318268,

%U 70343411623600362,1175543945267804088,18378002195401794726,304952559330041218068

%N Number of (n+1)X6 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero

%C Column 5 of A204732

%H R. H. Hardin, <a href="/A204729/b204729.txt">Table of n, a(n) for n = 1..105</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 18 2012

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Last modified October 22 01:48 EDT 2021. Contains 348160 sequences. (Running on oeis4.)