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A221117 Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops 1

%I #4 Jan 02 2013 12:06:43

%S 0,0,304,73267,11678172,1734890879,247812858484,35055335425051,

%T 4931618049890052,692510122093470450,97148768309200805284,

%U 13622697631155888055117,1909831288992348327369008

%N Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops

%C Row 5 of A221114

%H R. H. Hardin, <a href="/A221117/b221117.txt">Table of n, a(n) for n = 1..20</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,3

%A _R. H. Hardin_ Jan 02 2013

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)