cp's OEIS Frontend

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.

A324576 a(n) = A276086(A025487(n)).

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%I A324576 #6 Mar 09 2019 19:23:23
%S A324576 2,3,9,5,15,25,225,625,7,21,35,875,49,441,1225,1715,2401,36015,
%T A324576 1500625,117649,2941225,11,55,77,17325,67375,184877,115548125,121,
%U A324576 3025,5929,124509,10168235,456533,399466375,14641,9150625,717409,35153041,15502491081,1127357,1381012325,1771561,62004635,208422380089,4774356895,214358881
%N A324576 a(n) = A276086(A025487(n)).
%H A324576 Antti Karttunen, <a href="/A324576/b324576.txt">Table of n, a(n) for n = 1..10001</a>
%H A324576 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>
%H A324576 <a href="/index/Pri#primorial_numbers">Index entries for sequences related to primorial numbers</a>
%F A324576 a(n) = A276086(A025487(n)).
%F A324576 A001222(a(n)) = A324387(n).
%o A324576 (PARI)
%o A324576 A276086(n) = { my(i=0,m=1,pr=1,nextpr); while((n>0),i=i+1; nextpr = prime(i)*pr; if((n%nextpr),m*=(prime(i)^((n%nextpr)/pr));n-=(n%nextpr));pr=nextpr); m; };
%o A324576 A324576(n) = A276086(A025487(n));
%Y A324576 Cf. A025487, A276086, A324387, A324577.
%Y A324576 Cf. A324581 (a subsequence).
%K A324576 nonn
%O A324576 1,1
%A A324576 _Antti Karttunen_, Mar 09 2019