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 A123284 #15 Aug 10 2015 00:00:23 %S A123284 2,34,37,173,155,657,482,2206,1334,6510,3315,18208,7804,47329,16914, %T A123284 114779,33879,258280,60786,532865,98070,987689,137195,1641862,166882, %U A123284 2358366,146898,2723100,77267,2164650,0,966300 %N A123284 Number of polyhexes with 24 hexagons, C_(2v) symmetry and containing n carbon atoms. %C A123284 a(98) = 966300 is the last nonzero term. Sum(a(n)) = 12574028 = A120991(24). - _Markus Voege_, Jan 23 2014 %H A123284 G. Brinkmann, G. Caporossi and P. Hansen, <a href="http://dx.doi.org/10.1021/ci025526c">A Survey and New Results on Computer Enumeration of Polyhex and Fusene Hydrocarbons</a>, J. Chem. Inf. Comput. Sci., vol. 43 (2003) 842-851. See Table 7 column 7 on page 848. %e A123284 If n=67 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 2. %e A123284 If n=68 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 34. %e A123284 If n=69 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 37. %e A123284 If n=70 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 173. %Y A123284 Cf. A120991, A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142. %K A123284 nonn,fini %O A123284 67,1 %A A123284 _Parthasarathy Nambi_, Oct 10 2006 %E A123284 Series corrected a(97)=0 and a(98)=966300; keyword 'fini' by _Markus Voege_, Jan 23 2014