|
%I #6 Jun 18 2022 18:55:37
%S 32424,1680044,81224020,4119658692,211585138552,10762574556276,
%T 546654417361888,27813242905834228,1415383625007601404,
%U 72003077632423500484,3662933297414669708116,186350091871565526225328
%N Number of (n+1) X (3+1) 0..3 arrays colored with the sum of the upper and lower median values of each 2 X 2 subblock.
%C Column 3 of A236657.
%H R. H. Hardin, <a href="/A236656/b236656.txt">Table of n, a(n) for n = 1..91</a>
%e Some solutions for n=1
%e ..2..2..2..0....3..0..2..0....2..0..1..0....3..1..3..2....2..3..0..1
%e ..0..0..3..0....3..3..3..1....3..2..0..0....2..2..0..2....0..3..0..0
%Y Cf. A236657.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 29 2014
| 