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 A125929 #3 Oct 12 2013 15:17:34 %S A125929 1,0,1,2,3,2,3,4,5,4,1,6,7,3,2,8,9,4,5,10,6,7,3,9,13,5,1,5,10,7,6,9,8, %T A125929 16,17,10,14,15,7,6,2,8,5,4,10,11,6,16,8,9,4,5,15,5,10,7,12,8,9,16,14, %U A125929 10,11,10,22,13,7,16,5,14,10,4,19,22,8,9,16,20,14,5,18,19,9,28 %N A125929 Sprague-Grundy values for octal game .7077. %C A125929 Octal games 4.044, 4.046, 4.054, 4.056, 4.244, 4.246, 4.254 and 4.256 have values a(n-1). %D A125929 E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982; see Chapter 4, p. 104. %K A125929 nonn %O A125929 1,4 %A A125929 _Richard Sabey_, Jan 24 2007