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A268089 Number of nX4 0..2 arrays with every repeated value in every row not one larger and in every column one larger mod 3 than the previous repeated value, and upper left element zero. 1

%I #4 Jan 26 2016 07:02:56

%S 26,2028,98830,4523326,176935858,6564461764,226972598646,

%T 7559736791208,242339515066412,7571750055421548,231096619789822498,

%U 6929454403612818710,204596614426899449914,5966371478586924122230,172147128731028332844244

%N Number of nX4 0..2 arrays with every repeated value in every row not one larger and in every column one larger mod 3 than the previous repeated value, and upper left element zero.

%C Column 4 of A268092.

%H R. H. Hardin, <a href="/A268089/b268089.txt">Table of n, a(n) for n = 1..159</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A268092.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 26 2016

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)