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A160871 Column 6 of array in A057004. 1

%I

%S 1,63,7987,7987616,24875000437,193466859054994

%N Column 6 of array in A057004.

%D J. H. Kwak and J. Lee, Enumeration of graph coverings, surface branched coverings and related group theory, in Combinatorial and Computational Mathematics (Pohang, 2000), ed. S. Hong et al., World Scientific, Singapore 2001, pp. 97-161.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Nov 15 2009

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Last modified October 23 09:45 EDT 2019. Contains 328345 sequences. (Running on oeis4.)