A236015 - OEIS

%I #4 Jan 18 2014 14:01:45

%S 18784,41844,110274,267424,805458,2004428,5955918,15032200,44965942,

%T 113000332,336562898,846777416,2514445286,6345831140,18852824906,

%U 47584208128,141289879158,356650318804,1058329372746,2672854730808

%N Number of (n+1)X(5+1) 0..2 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock

%C Column 5 of A236018

%H R. H. Hardin, <a href="/A236015/b236015.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 7*a(n-2) +10*a(n-4) +15*a(n-6) -314*a(n-8) -1389*a(n-10) +1365*a(n-12) +3415*a(n-14) +2472*a(n-16) +2424*a(n-18) +3384*a(n-20) -6192*a(n-22) +1152*a(n-24) -2304*a(n-26) for n>29

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 18 2014