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 A336358 #13 Jul 22 2020 14:15:28 %S A336358 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,22,23,24,25,26,27, %T A336358 28,29,31,32,33,34,35,36,37,38,39,40,41,43,44,45,46,47,48,49,50,51,52, %U A336358 53,54,55,56,57,58,59,60,61,62,63,64,65,67,68,69,71,72,73,74,75,76,77,78,79,80,81,82,83,85 %N A336358 Sigma(k) has at least the same number of distinct prime factors as k. %C A336358 Numbers k for which A058062(k) >= A001221(k). %o A336358 (PARI) isA336358(n) = (omega(sigma(n))>=omega(n)); %Y A336358 Cf. A336357 (complement). %Y A336358 Cf. A000203, A001221, A058062. %Y A336358 Cf. also A336360. %K A336358 nonn %O A336358 1,2 %A A336358 _Antti Karttunen_, Jul 20 2020