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 A061332 #15 Jul 19 2015 00:58:39 %S A061332 107227,151537,235747,332473,382873,418993,440497,551233,584473, %T A061332 607993,727777,737353,838657,920137,922993,983347,995443,1079107, %U A061332 1186963,1292593,1469833,1621537,1669537,1781803,1858033,1912513,1913473 %N A061332 Primes with 20 as smallest positive primitive root. %H A061332 T. D. Noe, <a href="/A061332/b061332.txt">Table of n, a(n) for n=1..1000</a> %t A061332 Select[ Prime@Range@200000, PrimitiveRoot[#] == 20 &] (* _Robert G. Wilson v_, May 11 2001 *) %Y A061332 Cf. A001918, A001126, A019347. %K A061332 nonn %O A061332 1,1 %A A061332 _Klaus Brockhaus_, Apr 25 2001 %E A061332 More terms from _Robert G. Wilson v_, May 11 2001