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 A057761 #6 Mar 30 2012 16:48:53 %S A057761 0,0,2,3,2,8,7,8,8,18,16,3,26,8,4,29,8,5,20,16,21,28,8,18,18,26,38,4, %T A057761 62,62,49,53,46,50,8,20,26,16,20,68,26,8,18,6,57,18,81,108,38,73,5,53, %U A057761 32,20,54,98,62,68,120,113,70,128,38,62,71,128,50 %N A057761 Least nonnegative cube root of 2 mod n for n in A057760. %H A057761 T. D. Noe, <a href="/A057761/b057761.txt">Table of n, a(n) for n=1..1000</a> %K A057761 nonn %O A057761 1,3 %A A057761 _N. J. A. Sloane_, Nov 01 2000 %E A057761 Corrected by T. D. Noe, Apr 19 2007 [The errors were caused by the faulty Maple command "mroot"]