%I
%S 1,2,3,6,3,6,5,10,15,30,15,30,5,10,15,30,15,30,5,10,15,30,15,30,5,10,
%T 15,30,15,30,7,14,21,42,21,42,35,70,105,210,105,210,35,70,105,210,105,
%U 210,35,70,105,210,105,210,35,70,105,210,105,210,7,14,21,42,21,42,35,70,105,210,105,210,35,70,105,210,105,210,35,70
%N Primorial base expansion of n converted into its prime product form, but with all nonzero digits replaced by 1's: a(n) = A007947(A276086(n)).
%H Antti Karttunen, <a href="/A328571/b328571.txt">Table of n, a(n) for n = 0..32768</a>
%H <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>
%F a(n) = A007947(A276086(n)).
%F a(n) = A276086(n) / A328572(n).
%F a(A276156(n)) = A276086(A276156(n)). [And at no other points the equality holds]
%F A001221(a(n)) = A267263(n).
%o (PARI) A328571(n) = { my(m=1, p=2); while(n, m *= (p^!!(n%p)); n = n\p; p = nextprime(1+p)); (m); };
%Y Cf. A001221, A007947, A267263, A276086, A328572.
%Y Cf. A276156 (gives the indices where this coincides with A276086).
%K nonn
%O 0,2
%A _Antti Karttunen_, Oct 20 2019
