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 A079893 #11 Mar 02 2023 16:18:43
%S A079893 1,2,3,2,1,6,1,2,1,10,1,6,1,2,15,2,1,6,1,10,3,2,1,6,1,2,1,2,1,30,1,1,
%T A079893 3,2,7,6,1,2,3,2,1,42,1,4,15,2,1,12,1,10,3,4,1,6,5,4,3,2,1,30,1,2,3,1,
%U A079893 1,6,1,2,1,70,1,6,1,2,3,2,1,6,1,4,1,2,1,42,5,2,3,2,1,30,1,2,3,2,1,6,1,2,3,2
%N A079893 a(n) = gcd(n, A079892(n)), where A079892(n) is the least number > n having one more distinct prime factor than n.
%H A079893 Antti Karttunen, <a href="/A079893/b079893.txt">Table of n, a(n) for n = 1..20000</a>
%o A079893 (PARI) A079893(n) = { my(x=1+omega(n)); for(k=1+n, oo, if(omega(k)==x, return(gcd(k,n)))); }; \\ _Antti Karttunen_, Mar 02 2023
%Y A079893 Cf. A079891, A079894.
%K A079893 nonn,look
%O A079893 1,2
%A A079893 _Reinhard Zumkeller_, Jan 14 2003