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 A003427 M1134 #18 Oct 21 2023 18:32:11 %S A003427 0,0,0,0,1,1,1,2,4,8,16,34,72,158,348,784,1777,4080,9425,21965,51456, %T A003427 121300,287215,683268,1631532,3910235,9401000,22670058,54813780, %U A003427 132867903 %N A003427 Number of trees by stability index. %D A003427 D. D. Grant, The stability index of graphs, pp. 29-52 of Combinatorial Mathematics (Proceedings 2nd Australian Conf.), Lect. Notes Math. 403, 1974. %D A003427 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A003427 D. D. Grant, <a href="http://dx.doi.org/10.1007/BFb0057373">The stability index of graphs</a>, pp. 29-52 of Combinatorial Mathematics (Proceedings 2nd Australian Conf.), Lect. Notes Math. 403, 1974. Gives first 45 terms. %H A003427 <a href="/index/Tra#trees">Index entries for sequences related to trees</a> %K A003427 nonn,more %O A003427 1,8 %A A003427 _N. J. A. Sloane_