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A186571 Number of (n+2)X(n+2) 0..6 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock 0

%I #5 Mar 31 2012 12:36:05

%S 40353607,2295,155811,6144163,20145619,24109915,33341515,63091963,

%T 185353627,1030573051,4642181947,16031111611

%N Number of (n+2)X(n+2) 0..6 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock

%C Diagonal of A186572

%e Some solutions for 4X4

%e ..5..1..4..5....0..6..6..0....0..0..0..0....2..0..0..0....0..1..4..3

%e ..4..5..1..4....3..0..6..6....4..0..0..0....0..0..0..0....0..0..1..4

%e ..1..4..5..1....3..3..0..6....1..4..0..0....0..0..0..0....0..0..0..1

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 23 2011

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)