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 A071429 #11 Jan 09 2017 04:19:24 %S A071429 1,0,0,1,0,2,1,2,2,1,0,4,1,4,4,1,2,2,1,2,0,1,0,4,1,2,6,1,6,4,1,4,0,1, %T A071429 0,2,1,2,6,1,4,4,1,4,6,1,2,2,1,2,0,1,0,8,1,6,6,1,6,4,1,4,0,1,0,2,1,2, %U A071429 2,1,0,4,1,4,6,1,6,2,1,2,0,1,0,8,1,2,6,1,6,4,1,4,0,1,0,2,1,2,6,1,0,4 %N A071429 Sprague-Grundy values for octal game .14. %D A071429 E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982; see Chapter 4, p. 102 %H A071429 Eric M. Schmidt, <a href="/A071429/b071429.txt">Table of n, a(n) for n = 1..10000</a> %H A071429 Achim Flammenkamp, <a href="http://www.uni-bielefeld.de/~achim/octal_sparse.html">Octal games</a> %K A071429 nonn %O A071429 1,6 %A A071429 _N. J. A. Sloane_ and _Sue Pope_, May 29 2002 %E A071429 Edited and extended by _Christian G. Bower_, Oct 22 2002