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A184455 1/36 the number of (n+2) X 9 0..2 arrays with each 3 X 3 subblock containing two of one value, two of another, and five of the last. 0

%I #6 Aug 19 2022 15:19:51

%S 203391,216477,232326,253176,309042,413100,660654

%N 1/36 the number of (n+2) X 9 0..2 arrays with each 3 X 3 subblock containing two of one value, two of another, and five of the last.

%C Column 7 of A184457.

%e Some solutions with a(1,1) = 0 for 4 X 9

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

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

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

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

%Y Cf. A184457.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 14 2011

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Last modified May 27 00:17 EDT 2024. Contains 372847 sequences. (Running on oeis4.)