A237573 - OEIS

%I #4 Feb 09 2014 07:06:34

%S 769680,54395184,4093774632,313460630304,23898935623162,

%T 1807232491974520,138024943528283880,10448941120238123892,

%U 797725060871305356158,60393893110722967036808,4610831174869673938780096

%N Number of (n+1)X(5+1) 0..3 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

%C Column 5 of A237574

%H R. H. Hardin, <a href="/A237573/b237573.txt">Table of n, a(n) for n = 1..25</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 09 2014