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 A064962 #13 Jun 19 2018 03:27:54
%S A064962 13,1447,2062,5527,6760,8062,11554,11890,14467,23113,23482,24952,
%T A064962 25150,28201,28300,31072,31576,36217,41584,41599,45331,50635,56914,
%U A064962 66688,67639,69376,75079,80002,81157,82240,84517,88948,90010,90376,91018
%N A064962 Numbers k such that 1000k+1, 1000k+3, 1000k+7, 1000k+9 are all primes.
%H A064962 Harry J. Smith, <a href="/A064962/b064962.txt">Table of n, a(n) for n = 1..1000</a>
%t A064962 Select[Range[10^5], PrimeQ[1000# + 1] && PrimeQ[1000# + 3] && PrimeQ[1000# + 7] && PrimeQ[1000# + 9] &]
%o A064962 (PARI) { n=0; for (m=1, 10^9, if(isprime(1000*m + 1) && isprime(1000*m + 3) && isprime(1000*m + 7) && isprime(1000*m + 9), write("b064962.txt", n++, " ", m); if (n==1000, return)) ) } \\ _Harry J. Smith_, Oct 01 2009
%Y A064962 Cf. A007811, A064687.
%K A064962 nonn
%O A064962 1,1
%A A064962 _Robert G. Wilson v_, Oct 29 2001