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A278367 Number of nX3 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes. 1

%I

%S 0,59,3766,184341,5897660,138641633,2705568336,46817185633,

%T 733865213852,10436129552575,134500209406905,1574376228128520,

%U 16823886495202722,165209993322147396,1501159407870244666,12704143377811774222

%N Number of nX3 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

%C Column 3 of A278372.

%H R. H. Hardin, <a href="/A278367/b278367.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A278367/a278367.txt">Empirical polynomial of degree 107</a>

%F Empirical polynomial of degree 107 (see link above)

%e Some solutions for n=4

%e ..2..0..0. .2..0..0. .1..0..1. .1..0..2. .2..0..2. .2..0..0. .2..0..1

%e ..2..2..0. .2..1..0. .0..2..0. .0..0..0. .0..0..1. .1..1..2. .1..0..0

%e ..2..2..1. .0..1..2. .0..2..1. .2..1..0. .2..1..2. .2..1..0. .0..1..1

%e ..0..0..0. .2..1..2. .0..1..0. .2..0..2. .1..2..2. .1..0..0. .2..2..0

%Y Cf. A278372.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 19 2016

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Last modified October 2 00:02 EDT 2022. Contains 357173 sequences. (Running on oeis4.)