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A210259 Number of (n+1)X(n+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order 0

%I #5 Mar 31 2012 12:37:32

%S 0,1039,1409910,9204003223,332946143914838,67504950532170896962,

%T 76734939290291126791703390,489053432070220933819410319061667

%N Number of (n+1)X(n+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order

%C Diagonal of A210267

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Mar 19 2012

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)