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 A109141 #6 Mar 30 2012 18:54:36 %S A109141 1,0,66,110,-6528,-21780,986898,5029200,-173972160,-1211972300, %T A109141 33051614904,297628438800,-6538730283946,-73793338948560, %U A109141 1321581552446628,18387553507364580,-269415270699505128,-4592418987961074600,54819166320379762180,1147693439998612940400 %N A109141 G.f.: fourth root of Hamming weight enumerator of [12,6,6]_3 ternary extended Golay code (cf. A105683). %H A109141 N. Heninger, E. M. Rains and N. J. A. Sloane, <a href="http://arXiv.org/abs/math.NT/0509316">On the Integrality of n-th Roots of Generating Functions</a>, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745. %e A109141 1+66*x^2+110*x^3-6528*x^4-21780*x^5+986898*x^6+5029200*x^7-... %K A109141 sign %O A109141 0,3 %A A109141 _N. J. A. Sloane_ and _Nadia Heninger_, Aug 18 2005