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A198667 Number of n X 6 0..4 arrays with values 0..4 introduced in row major order and each element equal to one or two horizontal and vertical neighbors. 0

%I

%S 6,2798,1544783,1382332582,1169280626549

%N Number of n X 6 0..4 arrays with values 0..4 introduced in row major order and each element equal to one or two horizontal and vertical neighbors.

%C Column 6 of A198669.

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

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

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

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

%Y Cf. A198669.

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 28 2011

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Last modified January 19 05:41 EST 2022. Contains 350464 sequences. (Running on oeis4.)