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A268167 Number of nX4 0..3 arrays with every repeated value in every row and column one larger mod 4 than the previous repeated value, and upper left element zero. 1

%I #4 Jan 27 2016 19:36:50

%S 55,12100,2059071,320575732,45491100473,6079523426038,772758264915572,

%T 94480289787828489,11186387097256879208,1289846738001714821101,

%U 145443865004580975103939,16092438685472525649486310

%N Number of nX4 0..3 arrays with every repeated value in every row and column one larger mod 4 than the previous repeated value, and upper left element zero.

%C Column 4 of A268169.

%H R. H. Hardin, <a href="/A268167/b268167.txt">Table of n, a(n) for n = 1..46</a>

%e Some solutions for n=2

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

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

%Y Cf. A268169.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 27 2016

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)