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 A351943 #10 Apr 03 2022 13:53:51 %S A351943 0,1,1,1,1,2,1,1,1,2,1,5,1,2,2,1,1,5,1,5,2,2,1,7,1,2,1,5,1,4,1,1,2,2, %T A351943 2,3,1,2,2,7,1,4,1,5,5,2,1,9,1,5,2,5,1,7,2,7,2,2,1,10,1,2,5,1,2,4,1,5, %U A351943 2,4,1,8,1,2,5,5,2,4,1,9,1,2,1,10,2,2,2,7,1,10,2,5,2,2,2,13,1,5,5,3,1,4,1,7,4 %N A351943 a(n) = A069359(A181819(n)). %H A351943 Antti Karttunen, <a href="/A351943/b351943.txt">Table of n, a(n) for n = 1..20000</a> %H A351943 <a href="/index/Eu#epf">Index entries for sequences computed from exponents in factorization of n</a> %o A351943 (PARI) %o A351943 A069359(n) = (n*sumdiv(n, d, isprime(d)/d)); \\ From A069359 %o A351943 A181819(n) = factorback(apply(e->prime(e),(factor(n)[,2]))); %o A351943 A351943(n) = A069359(A181819(n)); %Y A351943 Cf. A069359, A181819. %Y A351943 Coincides with A351942 on the positions given by A130091. %K A351943 nonn %O A351943 1,6 %A A351943 _Antti Karttunen_, Apr 02 2022