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 A221091 Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor 1

%I #4 Jan 01 2013 08:45:52

%S 0,256,33858,11363641,2714713664,698931112441,174511967464624,

%T 43919928176330761,11014499735951633272,2765013577800867302464,

%U 693828347950525800594252,174124647942405489006942784

%N Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor

%C Row 5 of A221087

%H R. H. Hardin, <a href="/A221091/b221091.txt">Table of n, a(n) for n = 1..21</a>

%e Some solutions for n=3

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

%e ..0..3..0....0..0..2....2..2..0....2..2..0....0..4..2....1..2..0....0..0..0

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

%e ..2..4..0....0..4..1....1..1..1....0..3..1....0..0..1....2..3..0....0..1..2

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 01 2013

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Last modified June 8 07:26 EDT 2023. Contains 363157 sequences. (Running on oeis4.)