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 A205511 #30 Jul 09 2021 22:14:40
%S A205511 2,5,17,19,29,41,43,67,97,101,137,149,163,193,197,269,281,307,313,359,
%T A205511 379,389,401,449,457,461,499,521,569,617,641,643,673,739,743,769,809,
%U A205511 821,857,859,881,883,907,929,937,983,1009,1049,1061,1109,1229,1277,1289,1297
%N A205511 Lesser of the n-th pair of Hamming twin primes.
%C A205511 The Hamming distance between a(n) and the next prime is 1, cf. A205510.
%H A205511 M. F. Hasler, <a href="/A205511/b205511.txt">Table of n, a(n) for n = 1..10000</a>
%t A205511 Select[Prime[Range[211]],Count[IntegerDigits[BitXor[#,NextPrime[#]],2],1]==1 &] (* _Jayanta Basu_, May 26 2013 *)
%o A205511 (PARI) n=0;for(i=1,10^4,until(A205510(n++)==1,);write("c:/temp/b205511.txt",i" "prime(n))) \\ _M. F. Hasler_, Jan 29 2012
%Y A205511 Cf. A205510, A205302, A205533.
%Y A205511 Cf. A001097, A001359, A006512.
%K A205511 nonn,base
%O A205511 1,1
%A A205511 _Vladimir Shevelev_, Jan 28 2012
%E A205511 Terms from a(11) were added by _Peter J. C. Moses_