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A221791 Number of 6Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops or left turns 0

%I

%S 0,0,1,105,4131,109702,4781652,220782560,12043488477,578442771884

%N Number of 6Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops or left turns

%C Row 6 of A221787

%e All solutions for n=3

%e ..0..2..1

%e ..1..2..0

%e ..0..2..1

%e ..1..2..0

%e ..0..2..1

%e ..1..2..0

%K nonn

%O 1,4

%A _R. H. Hardin_ Jan 25 2013

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Last modified October 28 07:43 EDT 2021. Contains 348321 sequences. (Running on oeis4.)