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 A126581 #10 Mar 26 2013 05:36:23 %S A126581 3,8,10,14,15,21,24,26,28,35,36,45,48,52,55,63,66,78,80,91,99,105,120, %T A126581 133,136,143,153,168,171,190,195,210,224,231,248,253,255,276,288,300, %U A126581 323,325,351,360,378,399,406,435,440,465,483,496,528,561,575,595,624,630 %N A126581 Freeman Dyson's list of values of k for which there is an identity of a certain type for the k-th power of the Dedekind eta function. %C A126581 I. G. Macdonald showed that this list is the same as A003038 except for the presence of the number 26. %D A126581 Freeman J. Dyson, Missed opportunities, Bull. Amer. Math. Soc. 78 (1972), 635-652. %D A126581 N. Jacobson, Lie Algebras. Wiley, NY, 1962; pp. 141-146. %D A126581 I. G. Macdonald, Some conjectures for root systems, SIAM J. Math. Anal., 13 (1982), 988-1007. %H A126581 Freeman J. Dyson, <a href="http://projecteuclid.org/euclid.bams/1183533964">Missed opportunities</a>, Bull. Amer. Math. Soc. 78 (1972), 635-652. %H A126581 Wikipedia, <a href="http://en.wikipedia.org/wiki/Dedekind_eta_function">Dedekind eta function</a> %Y A126581 Cf. A003038. %K A126581 nonn %O A126581 1,1 %A A126581 _N. J. A. Sloane_, Mar 17 2007 %E A126581 Definition clarified by _Jonathan Sondow_, Mar 24 2013