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 A265040 #6 Dec 15 2015 15:29:43 %S A265040 12,48,132,300,576,960,1488,2184,3120,4224 %N A265040 If A009927 is regarded as the coordination sequence of AuNb_3, this sequence gives cumulative number of Nb atoms in shells 1 through n. %C A265040 a(n)+A265039(n) = A265038(n). %H A265040 V. A. Blatov, A. P. Shevchenko, D. M. Proserpio, <a href="http://pubs.acs.org/doi/pdf/10.1021/cg500498k">Applied Topological Analysis of Crystal Structures with the Program Package ToposPro</a>, Cryst. Growth Des. 2014, 14, 3576-3586. See Table I. %Y A265040 Cf. A009927, A265038, A265039. %K A265040 nonn,more %O A265040 1,1 %A A265040 _N. J. A. Sloane_, Dec 15 2015