%I #4 Nov 28 2016 08:20:13
%S 6,503,10784,150085,1673658,16205001,141166787,1126917480,8340736743,
%T 57745890265,376707516550,2329550843590,13722943412752,77304542920321,
%U 417679484040714,2169521229525151,10853156575543255,52367994237483811
%N Number of nX5 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly two mistakes.
%C Column 5 of A278778.
%H R. H. Hardin, <a href="/A278775/b278775.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A278775/a278775.txt">Empirical polynomial of degree 69</a>
%F Empirical polynomial of degree 69 (see link above)
%e Some solutions for n=4
%e ..0..0..1..1..0. .0..1..0..0..0. .0..0..0..0..0. .0..1..0..1..1
%e ..1..1..1..1..1. .0..1..1..0..0. .0..0..0..0..1. .0..1..1..1..0
%e ..0..0..1..0..1. .1..1..0..1..0. .0..1..1..0..0. .1..0..0..0..1
%e ..1..0..0..0..0. .1..0..0..1..0. .1..1..1..1..1. .1..0..0..1..1
%Y Cf. A278778.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 28 2016