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 A333936 #10 Apr 12 2020 13:58:48 %S A333936 1,2,3,6,6,6,10,6,5,10,14,10,30,15,30,30,30,15,14,30,30,30,42,30,22, %T A333936 30,30,42,30,42,21,7,42,42,26,30,30,30,30,42,42,14,30,66,30,30,66,42, %U A333936 10,70,21,66,78,34,42,22,70,42,15,78,42,70,66,42,42,78,66 %N A333936 a(n) is the product of the distinct prime factors of A054412(n). %C A333936 Equivalently, a(n) is the product of the exponents of the prime factorization of A054412(n). %C A333936 Every squarefree number s appears A001221(s)^A001221(s) times. %H A333936 Rémy Sigrist, <a href="/A333936/b333936.txt">Table of n, a(n) for n = 1..10000</a> %H A333936 Rémy Sigrist, <a href="/A333936/a333936.gp.txt">PARI program for A333936</a> %F A333936 a(n) = A005361(A054412(n)) = A007947(A054412(n)). %e A333936 For n = 36: %e A333936 - A054412(36) = 1474560 = 2^15 * 3^2 * 5, %e A333936 - hence a(36) = 2 * 3 * 5 = 30. %o A333936 (PARI) See Links section. %Y A333936 Cf. A001221, A005361, A007947, A054412. %K A333936 nonn %O A333936 1,2 %A A333936 _Rémy Sigrist_, Apr 11 2020