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A230975 Number of (n+2)X(6+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero 1

%I #4 Nov 02 2013 06:28:45

%S 7056,767376,56791296,5771137024,630277210000,66985909298064,

%T 7053147648320400,744552485586204304,78687903371332695696,

%U 8314048899342206023936,878337906131970760399504

%N Number of (n+2)X(6+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero

%C Column 6 of A230977

%H R. H. Hardin, <a href="/A230975/b230975.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 02 2013

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Last modified April 18 10:01 EDT 2024. Contains 371779 sequences. (Running on oeis4.)