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A221607 Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns 0

%I #3 Jan 20 2013 19:57:07

%S 16,1378,160999,18561474,2114436826,240257613761,27294219603383,

%T 3100806305382481

%N Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns

%C Column 6 of A221609

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 20 2013

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)