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A221233 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. 0

%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

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Last modified February 28 17:56 EST 2024. Contains 370400 sequences. (Running on oeis4.)