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 A006650 M3903 #14 Jul 08 2025 16:51:32 %S A006650 1,5,20,73,271,974,3507,12487,44475,157814,559952,1985053,7040855, %T A006650 24986930,88782435,315911844,1126178655,4023135764,14406870196, %U A006650 51728509807,186275015554,672886200335 %N A006650 Number of graphs with n nodes, n+1 edges and no isolated vertices. %D A006650 W. L. Kocay, Some new methods in reconstruction theory, pp. 89 - 114 of Combinatorial Mathematics IX. Proc. Ninth Australian Conference (Brisbane, August 1981). Ed. E. J. Billington, S. Oates-Williams and A. P. Street. Lecture Notes Math., 952. Springer-Verlag, 1982. %D A006650 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %Y A006650 Cf. A048179, A048180. %K A006650 nonn %O A006650 4,2 %A A006650 _N. J. A. Sloane_ %E A006650 More terms from _Vladeta Jovovic_, Mar 02 2008