A237624 - OEIS

%I #5 Feb 10 2014 18:01:59

%S 33040,1064444,33329056,939401016,26658031968,703602018050,

%T 18673864758392,473785074873580,12036531915220928,297435912255839760,

%U 7339018963453424640,177985466773008781536,4304030211748927943296

%N Number of (n+2)X(1+2) 0..3 arrays with the (lower) median of each row and column nondecreasing

%C Column 1 of A237625

%H R. H. Hardin, <a href="/A237624/b237624.txt">Table of n, a(n) for n = 1..14</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 10 2014