A250508 - OEIS

%I #5 Nov 24 2014 12:05:42

%S 19683,274625,3442951,37595375,371694959,3436115229,30283802613,

%T 255685143923,2089787836625,16641921796291,129546535071799,

%U 989447338713023,7436913272854057,55111908391372377,403398312288430103

%N Number of (n+2)X(1+2) 0..2 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column

%C Column 1 of A250510

%H R. H. Hardin, <a href="/A250508/b250508.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 24 2014