A278383 - OEIS

%I #4 Nov 20 2016 07:42:22

%S 1,1350,100807,4703562,179716850,6204309386,198563803019,

%T 5851197688577,157794170262819,3912513274701995,90233123783207419,

%U 1960361831058212555,40518771843257636636,801152317698519068308,15177259705860270641696

%N Number of nX6 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

%C Column 6 of A278385.

%H R. H. Hardin, <a href="/A278383/b278383.txt">Table of n, a(n) for n = 1..153</a>

%e Some solutions for n=3

%e ..1..1..1..1..1..0. .1..1..0..0..1..1. .1..0..1..0..1..1. .1..1..0..1..1..0

%e ..0..0..0..0..0..1. .0..0..0..1..0..1. .0..1..1..0..0..1. .0..0..1..0..1..0

%e ..1..0..0..0..0..0. .1..0..0..1..1..1. .0..1..1..1..0..0. .0..1..0..0..1..1

%Y Cf. A278385.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 20 2016