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 A007023 M2230 #16 Oct 11 2019 08:51:37 %S A007023 1,0,1,0,3,1,8,7,37,55,220,499,1862,5174,18258,57107,198474 %N A007023 Number of 4-connected 4-regular polyhedra with n nodes. %D A007023 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A007023 M. B. Dillencourt, <a href="https://doi.org/10.1006/jctb.1996.0008">Polyhedra of small order and their Hamiltonian properties</a>, Journal of Combinatorial Theory, Series B, Volume 66, Issue 1, January 1996, Pages 87-122. Also Tech. Rep. 92-91, Info. and Comp. Sci. Dept., Univ. Calif. Irvine, 1992. %Y A007023 Cf. A007022, A007027. %K A007023 nonn,more %O A007023 6,5 %A A007023 _N. J. A. Sloane_ %E A007023 Name corrected by _Andrey Zabolotskiy_, Oct 11 2019