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 A057760 #15 Jul 04 2015 05:13:18 %S A057760 1,2,3,5,6,10,11,15,17,22,23,25,29,30,31,33,34,41,43,46,47,50,51,53, %T A057760 55,58,59,62,66,69,71,75,82,83,85,86,87,89,93,94,101,102,106,107,109, %U A057760 110,113,115,118,121,123,125,127,129,131,137,138,141,142 %N A057760 Numbers n such that 2 is a cube mod n. %C A057760 Numbers not divisible by 4 or 9 and whose prime divisors are in A040028. - _Eric M. Schmidt_, Jan 25 2014 %H A057760 T. D. Noe, <a href="/A057760/b057760.txt">Table of n, a(n) for n=1..1000</a> %p A057760 with(numtheory); [seq(mroot(2,3,p),p=1..400)]; %o A057760 (PARI) is(n)=ispower(Mod(2,n),3) \\ _Charles R Greathouse IV_, Apr 05 2012 %Y A057760 Cf. A057126, A057761. %K A057760 nonn %O A057760 1,2 %A A057760 _N. J. A. Sloane_, Nov 01 2000 %E A057760 Checked by _T. D. Noe_, Apr 19 2007