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Number of (n+1)X(5+1) 0..3 arrays with the upper median equal to the lower median in every 2X2 subblock
1

%I #4 Jan 16 2014 09:08:04

%S 203804,21301696,1811192156,181155460364,17118907645314,

%T 1681785844690652,162539090628898856,15873176185179453176,

%U 1542359292719860634122,150336595203863603174030,14629212782985022519928840

%N Number of (n+1)X(5+1) 0..3 arrays with the upper median equal to the lower median in every 2X2 subblock

%C Column 5 of A235856

%H R. H. Hardin, <a href="/A235854/b235854.txt">Table of n, a(n) for n = 1..121</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 16 2014