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A199253 Number of nX5 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor 0

%I #4 Mar 31 2012 12:36:36

%S 6,424,16898,305863,68639138,6888550898,340245592285,6769314291049,

%T 1887110314847070,212296762860857040,11206162997839745779

%N Number of nX5 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor

%C Column 5 of A199256

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 04 2011

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Last modified March 28 16:00 EDT 2024. Contains 371254 sequences. (Running on oeis4.)