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 A204670 #17 Jan 27 2021 10:35:02
%S A204670 89689,107377,288583,367957,381103,400759,445363,623107,625699,637003,
%T A204670 710713,725209,779413,801883,803749,821677,832519,844777,883807,
%U A204670 912103,919447,954763,981823,997813,1003963,1059349,1066447,1070689,1072039,1100683,1148773,1162129,1163353,1251463
%N A204670 Primes p such that q-p = 64, where q is the next prime after p.
%H A204670 M. F. Hasler, <a href="/A204670/b204670.txt">Table of n, a(n) for n = 1..8823</a> (all a(n)<10^8).
%H A204670 <a href="/index/Pri#gaps">Index entries for primes, gaps between</a>
%t A204670 Transpose[Select[Partition[Prime[Range[100000]],2,1],Last[#]-First[#] == 64&]][[1]] (* _Harvey P. Dale_, Nov 25 2012 *)
%o A204670 (PARI) c=o=0;forprime(p=1,default(primelimit),(-o+o=p)==64&write("c:/temp/b204670.txt",c++" "p-64)) \\ _M. F. Hasler_, Jan 18 2012
%K A204670 nonn
%O A204670 1,1
%A A204670 _N. J. A. Sloane_, Jan 17 2012