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%I #6 Apr 30 2022 21:18:47
%S 3635,411015,44229031,4894583715,539351064745,59455853081501,
%T 6554255427911017,722517279545733561,79647935033498582775,
%U 8780120930843264963437,967891111255430483106883
%N Number of (n+1) X (4+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor.
%C Column 4 of A232124.
%H R. H. Hardin, <a href="/A232120/b232120.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..2..2..2..2..2....2..1..2..2..2....1..0..0..2..2....2..2..1..1..1
%e ..2..2..1..1..1....2..0..0..1..1....1..1..1..0..0....1..1..0..0..1
%Y Cf. A232124.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 19 2013
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