%I #5 Nov 24 2014 10:29:34
%S 19683,300763,4251528,59776471,729000000,8316073576,92959677000,
%T 992518734375,10209839323384,102970461234311,1017227998469411,
%U 9854850385971136,94155389995652504,889028362923875000
%N Number of (n+2)X(1+2) 0..2 arrays with nondecreasing medians of every three consecutive values in every row and column
%C Column 1 of A250507
%H R. H. Hardin, <a href="/A250505/b250505.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..2..1..2....1..2..1....2..1..0....2..0..2....0..1..2....0..2..2....1..0..0
%e ..1..1..1....1..1..2....1..0..0....0..0..2....0..2..2....0..2..2....2..0..1
%e ..1..0..0....1..0..2....2..2..1....2..1..2....2..1..0....0..0..2....2..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 24 2014
|