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 A120790 #8 May 24 2018 18:07:37 %S A120790 1,1,5,13,47,136,428,1252,3716,10708,30823,87504,247438,694588, %T A120790 1942866,5411640,15034045,41659417,115231598,318231047,877817312, %U A120790 2419033683,6661335192,18332784221,50432439047,138692804603,381332833730,1048322091176,2881742370070 %N A120790 Number of monocyclic skeletons with n carbon atoms and a ring size of 7. %D A120790 Camden A. Parks and James B. Hendrickson, Enumeration of monocyclic and bicyclic carbon skeletons, J. Chem. Inf. Comput. Sci., vol. 31, 334-339 (1991). %H A120790 Andrew Howroyd, <a href="/A120790/b120790.txt">Table of n, a(n) for n = 7..200</a> %Y A120790 Column k=7 of A305059. %K A120790 nonn %O A120790 7,3 %A A120790 _Parthasarathy Nambi_, Aug 13 2006 %E A120790 More terms from _N. J. A. Sloane_, Aug 27 2006 %E A120790 Terms a(26) and beyond from _Andrew Howroyd_, May 24 2018