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 A121055 #4 Mar 30 2012 16:50:29 %S A121055 2,8,14,22,34,40,52,70,76,90,108,120,138,156,168,180,210,228,242,266, %T A121055 272,302,332,344,368,392,410,434,464,476,502,544,568,580,610,628,652, %U A121055 700,718,754,778,796,832,862,886,912,960,978,1008,1056 %N A121055 Sizes of successive clusters in b.c.c. lattice centered at midpoint of a short edge. %D A121055 N. J. A. Sloane and B. K. Teo, Theta series and magic numbers for close-packed spherical clusters, J. Chem. Phys. 83 (1985) 6520-6534. %Y A121055 Partial sums of A005869. Equals 2*A038835 and also A121054/2. Cf. A008443. %K A121055 nonn %O A121055 0,1 %A A121055 _N. J. A. Sloane_, Aug 09 2006