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 A353563 #10 Apr 27 2022 20:01:38
%S A353563 2,2,3,3,9,3,5,9,5,9,45,9,25,5,15,15,225,5,125,15,25,45,1125,15,375,
%T A353563 25,125,25,5625,15,7,225,375,225,625,25,35,125,625,225,315,25,175,375,
%U A353563 625,1125,1575,225,175,375,21,625,7875,125,315,625,35,5625,39375,225,49,7,35,21,875,375,245,21,525,625,2205,625
%N A353563 Primorial base exp-function applied to Euler totient function: a(n) = A276086(phi(n)).
%H A353563 Antti Karttunen, <a href="/A353563/b353563.txt">Table of n, a(n) for n = 1..10000</a>
%H A353563 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>
%F A353563 a(n) = A276086(A000010(n)).
%o A353563 (PARI)
%o A353563 A276086(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m); };
%o A353563 A353563(n) = A276086(eulerphi(n));
%Y A353563 Cf. A000010, A276086, A353564, A353565.
%Y A353563 Cf. also A324650, A332825.
%K A353563 nonn,look
%O A353563 1,1
%A A353563 _Antti Karttunen_, Apr 27 2022