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 A133060 #9 Apr 06 2022 15:46:22
%S A133060 3,57,111317,19293141,4359617173,101103107109137139,
%T A133060 149151179181191193197,199227229239241269271281,
%U A133060 283311313347349419421431433,461463521523569571599601617619
%N A133060 Concatenation of next n twin primes.
%H A133060 Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>.
%t A133060 Module[{pp=200,tps},tps=Union[Flatten[Select[Partition[Prime[Range[ pp]],2,1],#[[2]]-#[[1]]==2&]]];FromDigits[Flatten[ IntegerDigits/@#]]&/@ TakeList[tps,Range[Floor[(Sqrt[1+8Length[tps]]-1)/2]]]] (* _Harvey P. Dale_, Apr 06 2022 *)
%Y A133060 Cf. A001097, A053067, A133013, A133014.
%K A133060 base,easy,nonn
%O A133060 1,1
%A A133060 _Omar E. Pol_, Nov 10 2007