%I #4 Nov 18 2016 06:42:16
%S 6,395,9714,186987,3058990,43798840,570738085,7010453565,82490704797,
%T 927749763030,9874571566773,98622311006346,920542037366117,
%U 8028589976371346,65570255252201804,503146509213296224
%N Number of nX5 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.
%C Column 5 of A278325.
%H R. H. Hardin, <a href="/A278322/b278322.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A278322/a278322.txt">Empirical polynomial of degree 95</a>
%F Empirical polynomial of degree 95 (see link above)
%e Some solutions for n=4
%e ..0..1..1..1..1. .0..0..1..1..0. .0..0..0..0..0. .0..0..1..1..1
%e ..0..0..0..0..1. .0..1..0..1..1. .1..0..0..1..1. .0..0..0..0..1
%e ..0..1..1..0..0. .0..1..0..1..0. .0..0..1..0..1. .0..0..1..0..0
%e ..1..0..0..0..0. .1..1..1..1..0. .1..0..1..0..1. .0..0..1..0..0
%Y Cf. A278325.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 18 2016
|