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 A247877 #7 Jun 02 2025 10:15:16 %S A247877 5,5,7,13,11,5,7,5,5,13,5,17,7,23,5,11,7,5,5,7,11,17,19,5,13,7,5,23, %T A247877 31,11,5,5,7,19,11,5,7,5,13,23,5,7,17,5,19,7,29,5,11,37,5,41,17,5,7, %U A247877 13,5,19,7,5,11,5,7,13,29,31,5,7,11,5,37,5,17,5,7,41,5,47,13,7,5,11,29,23,5,7,5,13,11,7,5,19,5,37 %N A247877 Least prime factor of A247683. %H A247877 Odimar Fabeny, <a href="/A247877/b247877.txt">Table of n, a(n) for n = 1..10000</a> %Y A247877 Cf. A056608, A247683. %K A247877 nonn,easy %O A247877 1,1 %A A247877 _Odimar Fabeny_, Sep 25 2014