%I #4 Feb 02 2014 07:39:33
%S 26320,762724,22056220,880923796,33233608132,1329345087772,
%T 52079122983140,2070941611511776,81772162000490880,
%U 3243881107548188412,128365789131232332144,5087721950848658181076,201470461451253606169116
%N Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal
%C Column 4 of A237007
%H R. H. Hardin, <a href="/A237003/b237003.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..3..2..0..3..0....0..1..2..1..0....0..1..2..2..1....1..0..3..2..3
%e ..1..3..3..2..3....3..3..2..3..3....3..1..0..0..1....3..2..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 02 2014