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 A132903 #7 Jan 03 2021 18:52:46 %S A132903 235,357,5711,71113,111317,131719,171923,192329,232931,293137,313741, %T A132903 374143,414347,434753,475359,535961,596167,616771,677173,717379, %U A132903 737983,798389,838997,8997101,97101103,101103107,103107109,107109113,109113127 %N A132903 Numbers formed by concatenating 3 consecutive prime numbers. %H A132903 Harvey P. Dale, <a href="/A132903/b132903.txt">Table of n, a(n) for n = 1..1000</a> %H A132903 C. K. Caldwell, <a href="http://primes.utm.edu">The Prime Pages</a>. %H A132903 Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>. %e A132903 Prime numbers. %e A132903 2 %e A132903 3 %e A132903 5 -----------> a(1) = 235 %e A132903 7 -----------> a(2) = 357 %e A132903 11 ----------> a(3) = 5711 %t A132903 FromDigits[Flatten[IntegerDigits[#]]]&/@Partition[Prime[Range[40]],3,1] (* _Harvey P. Dale_, Jan 03 2021 *) %Y A132903 Prime numbers: A000040. Cf. A007795, A045533, A091762. %K A132903 easy,nonn,base %O A132903 1,1 %A A132903 _Omar E. Pol_, Sep 04 2007