This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A176709 #13 Sep 02 2022 06:09:27 %S A176709 1,11,901,524137,373486525,268749463729,193492277719861, %T A176709 139314094050615817,100306131218514392365,72220413687258533050849, %U A176709 51998697816934668649790821,37439062426374732606941352697,26956124946902542404909380816605,19408409961765641983297475951692369 %N A176709 Number of isomorphism classes of 6-fold coverings of a connected graph with Betti number n. %D A176709 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. %H A176709 M. W. Hero and J. F. Willenbring, <a href="https://doi.org/10.1016/j.disc.2009.06.021">Stable Hilbert series as related to the measurement of quantum entanglement</a>, Discrete Math., 309 (2010), 6508-6514. %Y A176709 Row 6 of A160449. %K A176709 nonn %O A176709 0,2 %A A176709 _N. J. A. Sloane_, Dec 07 2010 %E A176709 Name edited, terms a(8) and beyond added by _Andrey Zabolotskiy_, Sep 02 2022