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A221199 Number of nX6 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.

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%I A221199 #7 Jun 02 2025 08:11:38
%S A221199 16,6400,2518569,1026177156,420771471561,172850051090025,
%T A221199 71030642332905025
%N A221199 Number of nX6 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.
%C A221199 Column 6 of A221200
%e A221199 Some solutions for n=3
%e A221199 ..0..1..2..1..2..0....0..1..1..1..1..0....0..1..2..2..2..2....0..1..1..1..2..0
%e A221199 ..0..2..2..1..0..1....0..2..2..1..2..1....0..1..1..1..1..0....0..1..1..2..2..1
%e A221199 ..0..2..1..0..2..1....0..1..1..2..2..0....0..1..2..1..1..0....0..2..1..0..2..1
%K A221199 nonn
%O A221199 1,1
%A A221199 _R. H. Hardin_ Jan 04 2013

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