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 A186010 1/8192 the number of (n+2)X(n+2) 0..3 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace 0

%I #5 Mar 31 2012 12:36:04

%S 32,301296,28935691550,28418702031939836,283178106619218127407323,

%T 28654609946372050600800562086387

%N 1/8192 the number of (n+2)X(n+2) 0..3 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace

%C Diagonal of A186019

%e Some solutions for 4X4

%e ..2..0..0..0....0..0..0..0....2..0..0..0....0..0..0..0....2..0..0..0

%e ..0..2..0..0....0..0..0..0....0..2..0..0....0..0..0..0....0..2..0..0

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 10 2011

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Last modified December 7 22:54 EST 2023. Contains 367662 sequences. (Running on oeis4.)