A212935 - OEIS

%I #4 May 31 2012 12:02:29

%S 1,4095,386357608,279128913678335,916111390974365234376,

%T 10046278068363977051128904352,300496032699305814168049256913886664,

%U 21222664979041855752064468032655567100514303

%N Number of 6Xn 0..n-1 arrays with no column j greater than column j-1 in all rows

%C Row 6 of A212930

%H R. H. Hardin, <a href="/A212935/b212935.txt">Table of n, a(n) for n = 1..15</a>

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ May 31 2012