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 A006866 M0897 #12 Jul 08 2025 16:57:07 %S A006866 1,1,2,3,9,19,71,249,1058,4705,22380 %N A006866 Number of irreducible polyhedral graphs with n nodes. %D A006866 M. B. Dillencourt, Polyhedra of small orders and their Hamiltonian properties. Tech. Rep. 92-91, Info. and Comp. Sci. Dept., Univ. Calif. Irvine, 1992. %D A006866 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %K A006866 nonn %O A006866 4,3 %A A006866 _N. J. A. Sloane_