%I #4 Jan 16 2014 09:07:24
%S 30624,1629216,73075844,3725170008,181155460364,9088092971636,
%T 449721286329228,22443371269251304,1115322432520498412,
%U 55566546393457784844,2764607117614633008924,137659672638051730401176
%N Number of (n+1)X(4+1) 0..3 arrays with the upper median equal to the lower median in every 2X2 subblock
%C Column 4 of A235856
%H R. H. Hardin, <a href="/A235853/b235853.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..1..3..2..2..2....3..2..3..2..2....3..1..3..3..1....0..0..0..0..1
%e ..1..1..2..2..3....2..2..2..2..1....1..0..1..3..3....2..0..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 16 2014
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