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 A126591 #24 Mar 21 2025 11:55:52 %S A126591 1,4,6,11,12,22,24,44,48,88,91,128,111,182,167,254,223,296,259,392, %T A126591 351,516,420,536,470,682,598,850,682,872,746,1044,908,1264,1007,1280, %U A126591 1087,1502,1283,1750,1395 %N A126591 Coordination sequence of a point in the sphere packing 4/3/c27 of Fischer, or the lcv-a net. %C A126591 Space group of the packing is I4(1)32. The terms are computed using the TOPOLAN program. %H A126591 W. Fischer, <a href="https://doi.org/10.1524/zkri-1974-1-205">Existenzbedingungen homogener Kugelpackungen zu kubischen Gitterkomplexen mit drei Freiheitsgraden</a>, Zeitschr. f. Kristallographie Vol. 140 (1974), pp. 50-74 (see p. 63). %H A126591 R. W. Grosse-Kunstleve, G.O. Brunner and N. J. A. Sloane, <a href="https://doi.org/10.1107/S0108767396007519">Algebraic description of coordination sequences and exact topological densities for zeolites</a>, Acta Cryst. Vol A52 (1996), pp. 879-889. %H A126591 Reticular Chemistry Structure Resource, <a href="http://rcsr.net/nets/lcv-a">lcv-a</a>. %Y A126591 Cf. A038620. %K A126591 nonn,more %O A126591 0,2 %A A126591 Wilfrid E. Klee (wiwi.klee(AT)inka.de), Mar 23 2007, Apr 03 2007 %E A126591 Name edited by _Andrey Zabolotskiy_, Oct 05 2017