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 A260969 #13 Aug 11 2015 12:15:13 %S A260969 1,3,10,61,15845 %N A260969 Number of reduced normal play partisan games born on or before day n. %C A260969 A game is reduced if it is the simplest among the set of games with values infinitesimally different from it. %C A260969 The values up to a(4) are due to Aaron Siegel, computed using cgsuite. %D A260969 Aaron N. Siegel, Combinatorial Game Theory, AMS Graduate Texts in Mathematics Vol 146 (2013), p. 158. %H A260969 Dan Calistrate, <a href="http://library.msri.org/books/Book29/files/cali.pdf">The Reduced Canonical Form of a Game</a>, pp. 409-416 in Games of No Chance, MSRI Publications 29, Cambridge (1998). %H A260969 J. P. Grossman and Aaron N. Siegel, <a href="http://www.msri.org/people/staff/levy/files/Book56/53grossman.pdf">Reductions of partizan games</a>, pp. 417-445 in Games Of No Chance 3, MSRI Publications 56, Cambridge (2009). %Y A260969 Cf. A065401 (all games), A260967 (infinitesimal games). %K A260969 nonn,more %O A260969 0,2 %A A260969 _Christopher E. Thompson_, Aug 06 2015