A267931 - OEIS

%I #4 Jan 22 2016 10:08:45

%S 222,49284,8459154,1376175262,205495778969,29057389299071,

%T 3909876972823819,505367954515309174,63080019343371599302,

%U 7640051013859497535548,901148367450672524043965

%N Number of nX4 0..3 arrays with every repeated value in every row and column greater than the previous repeated value.

%C Column 4 of A267933.

%H R. H. Hardin, <a href="/A267931/b267931.txt">Table of n, a(n) for n = 1..45</a>

%e Some solutions for n=2

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

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

%Y Cf. A267933.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 22 2016