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A198707 Number of nX7 0..4 arrays with values 0..4 introduced in row major order and each element equal to at least one horizontal or vertical neighbor 0

%I

%S 11,27422,77622801,316137386807,1259339424693241

%N Number of nX7 0..4 arrays with values 0..4 introduced in row major order and each element equal to at least one horizontal or vertical neighbor

%C Column 7 of A198708

%e Some solutions with all values 0 to 4 for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 29 2011

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Last modified September 28 17:30 EDT 2022. Contains 357080 sequences. (Running on oeis4.)