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 A003428 M0738 #17 Oct 21 2023 18:32:47 %S A003428 0,0,0,0,0,0,2,3,5,12,22,47,94,201,417,907,1948,4289,9440,21063,47124, %T A003428 106377,240980,549272,1256609,2888057,6660347,15416623,35794121, %U A003428 83362301 %N A003428 Number of trees by stability index. %D A003428 D. D. Grant, The stability index of graphs, pp. 29-52 of Combinatorial Mathematics (Proceedings 2nd Australian Conf.), Lect. Notes Math. 403, 1974. %D A003428 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A003428 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 A003428 <a href="/index/Tra#trees">Index entries for sequences related to trees</a> %K A003428 nonn,more %O A003428 1,7 %A A003428 _N. J. A. Sloane_