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A278893 Number of nX5 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes. 1

%I #4 Nov 30 2016 07:51:51

%S 56,389640,518626568,430110958155,273949132717772,143827898685401892,

%T 64434873104394812016,25210227731914720632036,

%U 8773051977547229666591720,2756820326309288648206048280,792154472658215852314325527168

%N Number of nX5 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.

%C Column 5 of A278896.

%H R. H. Hardin, <a href="/A278893/b278893.txt">Table of n, a(n) for n = 1..50</a>

%e Some solutions for n=1

%e ..1..2..3..0..2. .1..2..3..0..3. .0..2..3..1..2. .0..2..3..0..2

%Y Cf. A278896.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2016

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)