A238060 - OEIS

A238060

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

%I #4 Feb 17 2014 10:55:03

%S 14429,373572,9814274,262520800,6977336094,184559576240,4896168992178,

%T 130300801140848,3460857040227988,91752190849368036,

%U 2436945806893773614,64734113272662248736,1719213625840543673114,45616366483261333652780

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

%C Column 3 of A238063

%H R. H. Hardin, <a href="/A238060/b238060.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 17 2014