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 A178780 #9 Sep 26 2012 04:23:11 %S A178780 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, %T A178780 0,0,1,0,-1,0,0,-1,-1,1,0,-1,1,2,-1,0,3,0,-2,1,1,-3,-1,2,-1,-3,1,1,-2, %U A178780 0,3,0,-1,2,1,-1,0,1,-1,-1,0,0,-1,0,1 %N A178780 Expansion of the polynomial x^36*(x^12-1)*(x^9-1)*(x^8-1)*(x^6-1)*(x^5-1)*(x^2-1) in increasing powers of x. %C A178780 q^36*(q^12-1)*(q^9-1)*(q^8-1)*(q^6-1)*(q^5-1)*(q^2-1) is the order of the simple group E_6(q), if q is a prime power. %D A178780 R. L. Griess, Jr., Twelve Sporadic Groups, Springer, 1998; see p. 169. %Y A178780 Cf. A008871, A178779, A178781, A178795. %K A178780 sign,fini,full,easy %O A178780 0,48 %A A178780 _N. J. A. Sloane_, Dec 26 2010