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 A225934 #5 May 22 2013 20:33:26 %S A225934 346,1389,6102,21182,141262,306574,607533,1969886,5266030,17975982, %T A225934 25750142,49814254,155091326,254757166,402919341,616863422,918109966, %U A225934 1109543806,2639036782,4871920766,6475547950,11018778302,14135789614,22598987966,42920581982 %N A225934 Number of conjugacy classes in simply connected twisted Chevalley group 2E6(q) as q runs through the prime powers. %H A225934 Eric M. Schmidt, <a href="/A225934/b225934.txt">Table of n, a(n) for n = 1..1000</a> %H A225934 Frank Luebeck, <a href="http://www.math.rwth-aachen.de/~Frank.Luebeck/chev/nrclasses/nrclasses.html">Numbers of Conjugacy Classes in Finite Groups of Lie Type</a>. %F A225934 Let q be the n-th prime power. %F A225934 a(n) = q^6 + q^5 + 2q^4 + 11q^2 + 11q + 16 if q == (1 mod 6). %F A225934 a(n) = q^6 + q^5 + 2q^4 + 18q^2 + 26q + 62 if q == (2 mod 6). %F A225934 a(n) = q^6 + q^5 + 2q^4 + 11q^2 + 11q + 15 if q == (3 mod 6). %F A225934 a(n) = q^6 + q^5 + 2q^4 + 10q^2 + 10q + 14 if q == (4 mod 6). %F A225934 a(n) = q^6 + q^5 + 2q^4 + 19q^2 + 27q + 72 if q == (5 mod 6). %o A225934 (Sage) def A225934(q) : return q^6 + q^5 + 2*q^4 + 4*q^3 + [11*q^2 + 11*q + 16, 18*q^2 + 26*q + 62, 11*q^2 + 11*q + 15, 10*q^2 + 10*q + 14, 19*q^2 + 27*q + 72][q%6-1] %Y A225934 Cf. A188161, A224790, A225928 - A225938. %K A225934 nonn %O A225934 1,1 %A A225934 _Eric M. Schmidt_, May 21 2013