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 A121317 #3 Mar 30 2012 17:25:49 %S A121317 0,4,16,36,64,106,156,214,298,390,490,616,750,892,1060,1236 %N A121317 Minimum molecular topological index for alkane trees with n vertices. %C A121317 See page 161 of Muller et al. paper for the definition of molecular topological index. %D A121317 W. R. Muller, K. Szymanski, J. V. Knop and N. Trinajstich, "Molecular topological index", J. Chem. Inf. Comput. Sci., vol. 30 (1990), 160-163. See Table 2 on page 162 column 3. %e A121317 If n=10 then the minimum molecular topological index is 390 which is the tenth term in the sequence. %Y A121317 Cf. A000602. %K A121317 nonn %O A121317 1,2 %A A121317 _Parthasarathy Nambi_, Aug 25 2006