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 A361119 #9 Mar 03 2023 14:03:37 %S A361119 1,2,2,5,3,2,2,5,3,2,2,7,3,3,2,2,11,3,2,2,7,5,2,2,7,3,2,2,13,3,2,2,5, %T A361119 3,2,2,11,5,2,2,3,3,2,2,3,3,2,2,3,3,2,2,3,3,2,2,3,3,2,2,5,7,2,2,5,7,2, %U A361119 2,3,5,2,2,3,5,2,2,3,7,2,2,3,5,2,2,7,5 %N A361119 a(n) is the least prime factor of A360519(n) with a(1) = 1. %C A361119 See A361120 for the greatest prime factors. %H A361119 Rémy Sigrist, <a href="/A361119/b361119.txt">Table of n, a(n) for n = 1..10000</a> %H A361119 Rémy Sigrist, <a href="/A361119/a361119.gp.txt">PARI program</a> %F A361119 a(n) = A020639(A360519(n)). %e A361119 A360519(2) = 2*3 so a(2) = 2. %o A361119 (PARI) See Links section. %Y A361119 Cf. A020639, A360519, A361120. %K A361119 nonn %O A361119 1,2 %A A361119 _Scott R. Shannon_, _Rémy Sigrist_ and _N. J. A. Sloane_, Mar 03 2023