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A221349 Number of nX4 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without 2-loops 0

%I #3 Jan 11 2013 21:03:02

%S 0,148,12296,938070,68449305,4937698670,354502871047,25405114529768,

%T 1819259480725634,130236648141077671,9322142390162086274,

%U 667229079763512284278,47755622252421340025975

%N Number of nX4 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without 2-loops

%C Column 4 of A221351

%e Some solutions for n=3

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

%e ..1..5..2..1....0..2..3..1....1..3..2..2....0..2..0..0....0..3..0..1

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 11 2013

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Last modified July 21 08:59 EDT 2024. Contains 374464 sequences. (Running on oeis4.)