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A230574 Number of 5Xn 0..4 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 5, and upper left element zero 1

%I #4 Oct 23 2013 16:07:42

%S 0,0,0,430,91084,8554108,615786708,45684933988,3311984113864,

%T 238273036720020,17116839496736710,1229140365118078742,

%U 88234310090425774078,6333286108577217020782,454581456095147492239504

%N Number of 5Xn 0..4 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 5, and upper left element zero

%C Row 5 of A230571

%H R. H. Hardin, <a href="/A230574/b230574.txt">Table of n, a(n) for n = 1..23</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,4

%A _R. H. Hardin_, Oct 23 2013

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)