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 A332213 #8 Feb 09 2020 20:12:59 %S A332213 1,2,3,4,7,6,5,8,9,14,13,12,19,10,21,16,23,18,29,28,15,26,31,24,49,38, %T A332213 27,20,37,42,11,32,39,46,35,36,43,58,57,56,47,30,53,52,63,62,61,48,25, %U A332213 98,69,76,71,54,91,40,87,74,73,84,79,22,45,64,133,78,83,92,93,70,89,72,97,86,147,116,65,114,101,112,81,94,103,60,161,106,111 %N A332213 Fully multiplicative with a(p) = A332210(A000720(p)). %H A332213 Antti Karttunen, <a href="/A332213/b332213.txt">Table of n, a(n) for n = 1..86238</a> %H A332213 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A332213 a(1) = 1, a(p^e) = A332210(A000720(p))^e, a(m*n) = a(m)*a(n). %o A332213 (PARI) %o A332213 \\ Needs also code from A332210: %o A332213 A332213(n) = { my(f=factor(n)); f[,1] = apply(A332210,apply(primepi,f[,1])); factorback(f); }; %Y A332213 Cf. A000043, A000668, A000720, A332210, A332212 (inverse permutation), A332215. %K A332213 nonn,mult %O A332213 1,2 %A A332213 _Antti Karttunen_, Feb 09 2020