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A221487 Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction 0

%I #3 Jan 17 2013 17:28:36

%S 0,256,1980,865318,48514602,6681667775,579209730382,63151886490539,

%T 6122578678693488,629811753399775239

%N Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction

%C Row 5 of A221483

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 17 2013

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)