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 A133281 #17 Dec 26 2019 05:07:06
%S A133281 35737,58291,59257,63361,87079,138277,141979,175831,178897,219979,
%T A133281 365491,394681,413497,503209,558187,599197,655051,730321,747751,
%U A133281 757189,763369,788617,831079,861331,865417,870247,900199,947881,1038217,1081801,1131037,1165201,1182229
%N A133281 Numbers k such that k + googol is a lower twin prime.
%C A133281 For k > 219979, k + a googol is a probable prime.
%C A133281 For each of the 28 terms listed, the Magma Calculator (http://magma.maths.usyd.edu.au/calc/) verified that both 10^100 + a(n) and 10^100 + a(n) + 2 were prime. - _Jon E. Schoenfield_, Aug 24 2009
%H A133281 Amiram Eldar, <a href="/A133281/b133281.txt">Table of n, a(n) for n = 1..1000</a>
%F A133281 Googol = 10^100.
%t A133281 Select[Range[10^6],And @@ PrimeQ[10^100 + # + {0, 2}] &] (* _Amiram Eldar_, Dec 26 2019 *)
%o A133281 (PARI) googol(n) = { local(x,a,j); x=10^100; forstep(j=1,1000000,2, a=x+j; if(ispseudoprime(a)&ispseudoprime(a+2), print1(j","); ); ) }
%Y A133281 Cf. A001097, A001359, A006512, A133282.
%K A133281 nonn
%O A133281 1,1
%A A133281 _Cino Hilliard_, Oct 13 2007
%E A133281 More terms from _Amiram Eldar_, Dec 26 2019