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A204755 Number of (n+1)X(n+1) 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero 0

%I

%S 1175,38553,833401,306477369,27008204541,88406706477089,

%T 30627642821922195

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

%C Diagonal of A204763

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 18 2012

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Last modified September 22 15:04 EDT 2021. Contains 347607 sequences. (Running on oeis4.)