|
%I #5 Sep 07 2022 13:55:18
%S 8,6360,1211716,245539157,50220166341,10357727346177,2143073423803342,
%T 443873517219145108,91950727852607387586,19046356339122882057227,
%U 3944664443163147115275632,816879401520206867566005964
%N Number of n X 5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, with no occupancy greater than 2.
%C Column 5 of A221234.
%e Some solutions for n=3
%e ..0..2..0..0..2....0..0..2..2..2....0..1..2..1..1....0..2..0..1..1
%e ..0..2..0..2..1....1..2..1..2..1....0..0..1..0..0....0..1..1..1..2
%e ..2..0..2..2..0....0..0..0..2..0....1..2..2..2..2....0..1..2..1..2
%Y Cf. A221234.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 05 2013
| 