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 A058351 #7 Mar 30 2012 16:48:55 %S A058351 0,1,3,7,17,41,107,287,809,2341,6965,21101,65031,202939,640441, %T A058351 2039509,6546861,21158437,68791923,224839127,738316629,2434622357, %U A058351 8058616301,26765349429,89173526191,297942766331,998072479961,3351459203873 %N A058351 Partial sums of A000084. %D A058351 Z. A. Lomnicki, Two-terminal series-parallel networks, Adv. Appl. Prob., 4 (1972), 109-150. %H A058351 Sameen Ahmed KHAN, <a href="/A153588/a153588.nb">Mathematica notebook for A153588 and A058351</a> %Y A058351 Cf. A000084, A006349, A006350, A058352, A058353, A000669. %K A058351 nonn %O A058351 0,3 %A A058351 _N. J. A. Sloane_, Dec 16 2000