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 A097019 #10 Feb 15 2025 09:47:18
%S A097019 2,1,3,1,4,1,4,2,6,6,1,2,4,6,6,4,6,3,6,4,7,2,4,23,2,10,6,6,6,6,1,4,4,
%T A097019 2,10,12,2,6,10,4,10,8,22,8,4,2,2,8,4,2,16,6,14,12,12,4,6,2,12,4,6,4,
%U A097019 1,10,6,6,2,2,6,8,10,6,2,6,2,4,6,6,22,7,16,12,4,8,2,6,6,6,12,6,4,10,12,10,2
%N A097019 a(n) = sigma(A097018(n))/prime(n) = A000203(A097018(n))/A000040(n).
%H A097019 Amiram Eldar, <a href="/A097019/b097019.txt">Table of n, a(n) for n = 1..10000</a>
%e A097019 For n = 11: the quotient of the least number whose sigma is divisible by the 11th prime is A097018(11) = 16, sigma(16) = 31, and prime(11) = 31, so, a(11) = 31/31 = 1.
%o A097019 (PARI) list(len) = {my(v = vector(len), p = primes(len), k = 1, c = 0, s); while(c < len, s = sigma(k); for(i = 1, len, if(v[i] == 0 && !(s % p[i]), c++; v[i] = s/p[i])); k++); v;} \\ _Amiram Eldar_, Feb 15 2025
%Y A097019 Cf. A000040, A000203, A097018.
%K A097019 nonn
%O A097019 1,1
%A A097019 _Labos Elemer_, Aug 23 2004