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 A278412 Number of nX6 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes. 1

%I

%S 357,166762,58069125,20086951472,6584300364020,1920315533923360,

%T 495717541750226155,116167496151879183500,25419584353649348727704,

%U 5288610598245403858539329,1051786588251592754050785317

%N Number of nX6 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

%C Column 6 of A278414.

%H R. H. Hardin, <a href="/A278412/b278412.txt">Table of n, a(n) for n = 1..45</a>

%e Some solutions for n=2

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

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

%Y Cf. A278414.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 21 2016

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Last modified December 2 08:36 EST 2022. Contains 358493 sequences. (Running on oeis4.)