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 A342658 #11 Mar 21 2021 01:38:13 %S A342658 0,2,3,5,5,7,7,10,8,12,9,15,13,14,15,13,14,17,17,17,18,18,19,20,19,20, %T A342658 20,21,16,21,22,18,24,26,22,19,24,29,19,22,31,29,21,32,31,26,28,28,33, %U A342658 35,34,34,37,37,35,34,35,35,36,33,38,38,37,39,42,42,39,46,40,42,48,39,38,46,40,40,47,41,44,46,43,39 %N A342658 Number of prime factors in the n-th multiply perfect number, counted with multiplicity: a(n) = bigomega(A007691(n)). %H A342658 Amiram Eldar, <a href="/A342658/b342658.txt">Table of n, a(n) for n = 1..1600</a> %F A342658 a(n) = A001222(A007691(n)). %F A342658 a(n) >= A134740(n). %t A342658 Select[Range[10^6], IntegerQ@ DivisorSigma[-1, #] &] (* or, using the b-file at A007691: *) %t A342658 Map[PrimeOmega, DeleteCases[Import["https://oeis.org/A007691/b007691.txt", "Data"], _?(Length@ # == 0 &)][[1 ;; 82, -1]] ] (* _Michael De Vlieger_, Mar 19 2021 *) %Y A342658 Cf. A001222, A007691. %Y A342658 Cf. also A134740, A342659, A342660. %K A342658 nonn,look %O A342658 1,2 %A A342658 _Antti Karttunen_, Mar 19 2021