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 A061323 #13 Apr 24 2015 14:31:24 %S A061323 313,337,1021,1297,1783,1873,2137,2971,3221,3313,4051,4339,5233,5531, %T A061323 5743,6073,6301,6337,6553,6793,7177,7753,8233,9109,9697,9829,9931, %U A061323 10273,10781,11059,11149,11257,11617,11941,11971,12143,12457,12577 %N A061323 Primes with 10 as smallest positive primitive root. %H A061323 T. D. Noe, <a href="/A061323/b061323.txt">Table of n, a(n) for n = 1..1000</a> %t A061323 Prime[ Select[ Range[2000], PrimitiveRoot[ Prime[ # ] ] == 10 & ] ] %t A061323 Select[ Prime@Range@1510, PrimitiveRoot@# == 10 &] (* _Robert G. Wilson v_, May 11 2001 *) %o A061323 (PARI) is(n)=n>9 && isprime(n) && znorder(Mod(2,n))<n-1 && znorder(Mod(3,n))<n-1 && znorder(Mod(5,n))<n-1 && znorder(Mod(7,n))<n-1 && znorder(Mod(6,n))<n-1 && znorder(Mod(10,n))==n-1 \\ _Charles R Greathouse IV_, Apr 24 2015 %Y A061323 Cf. A001918, A001126, A001913. %K A061323 nonn %O A061323 1,1 %A A061323 _Klaus Brockhaus_, Apr 24 2001