%I #5 Aug 11 2014 22:46:08
%S 576,9710,160075,2423417,36199157,523547651,7519969703,106697433668,
%T 1509299904955,21253277135453,298927623301734,4197620035630914,
%U 58919872257393788,826569038954130084,11594164564872458891
%N Number of (n+1)X(2+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
%C Column 2 of A235742
%H R. H. Hardin, <a href="/A235738/b235738.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A235738/a235738.txt">Empirical recurrence of order 78</a>
%F Empirical recurrence of order 78 (see link above)
%e Some solutions for n=3
%e ..2..0..2....1..1..0....0..1..0....1..1..2....1..0..2....0..0..1....2..0..1
%e ..1..1..0....0..2..0....2..0..2....2..0..2....2..1..2....0..2..1....1..2..0
%e ..2..0..2....1..0..1....0..1..1....0..0..0....0..1..0....1..2..0....0..0..2
%e ..0..1..1....2..2..1....0..0..1....2..2..0....1..1..1....2..0..0....2..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 15 2014
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