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 A376434 #8 Sep 23 2024 13:46:33 %S A376434 2,23,223,2237,23333,223337,2233373,22323337,222335353,2232333533, %T A376434 22323332323,222335353337,2223337223773,22233372237737, %U A376434 222322375373773,2223223753737733,22232232373337353,222237322353237223,2222327532332333737,22223353533353323333 %N A376434 Smallest n-digit term in A104179. %e A376434 a(3) = 223 because 223 is the smallest 3-digit prime that is a concatenation of a 1-digit prime and a 2-digit prime that is itself a concatenation of 1-digit primes. %Y A376434 Subsequence of A104179. %Y A376434 Cf. A376433, A376435. %K A376434 nonn,base %O A376434 1,1 %A A376434 _Karl W. Heuer_, Sep 22 2024