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 A325032 #4 Mar 26 2019 21:05:22 %S A325032 1,1,1,1,2,1,1,1,1,2,3,1,2,1,2,1,4,1,1,2,1,3,4,1,4,2,1,1,3,2,5,1,3,4, %T A325032 2,1,2,1,2,2,6,1,4,3,2,4,6,1,1,4,4,2,1,1,6,1,1,3,7,2,4,5,1,1,4,3,8,4, %U A325032 4,2,3,1,8,2,4,1,3,2,5,2,1,6,9,1,8,4,3 %N A325032 Product of products of the multisets of prime indices of each prime index of n. %C A325032 A prime index of n is a number m such that prime(m) divides n. The multiset of prime indices of n is row n of A112798. %F A325032 Fully multiplicative with a(prime(n)) = A003963(n). %e A325032 94 has prime indices {1,15} with prime indices {{},{2,3}} with product a(94) = 6. %t A325032 primeMS[n_]:=If[n==1,{},Flatten[Cases[FactorInteger[n],{p_,k_}:>Table[PrimePi[p],{k}]]]]; %t A325032 Table[Times@@Join@@primeMS/@primeMS[n],{n,100}] %Y A325032 Cf. A000720, A001055, A001222, A003963, A056239, A112798, A302242, A320325. %Y A325032 Cf. A324850, A324926, A324930, A325031, A325033, A325034, A325035. %K A325032 nonn %O A325032 1,5 %A A325032 _Gus Wiseman_, Mar 25 2019