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 A377723 #16 Jan 11 2025 04:14:54 %S A377723 4,6,8,10,12,14,16,18,20,22,24,26,27,28,30,32,34,36,38,40,42,44,45,46, %T A377723 48,50,52,54,56,58,60,62,63,64,66,68,70,72,74,75,76,78,80,81,82,84,86, %U A377723 88,90,92,94,96,98,99,100,102,104,105,106,108,110,112,114,116 %N A377723 Numbers whose number of prime factors (counted with repetition) is greater than or equal to its smallest prime factor. %C A377723 Numbers k such that A001222(k) >= A020639(k). %C A377723 Complement of A091377. %C A377723 A091371(a(n)) < 1: A001222(a(n)) => A020639(a(n)). %H A377723 James C. McMahon, <a href="/A377723/b377723.txt">Table of n, a(n) for n = 1..10000</a> %e A377723 4 is a term because bigomega(4) = spf(4) = 2. %e A377723 12 is a term because bigomega(12) = 3 > spf(12) = 2. %e A377723 3 is not a term because bigomega(3) = 1 < spf(3) = 3. %t A377723 Select[Range[116], PrimeOmega[#]>=FactorInteger[#][[1, 1]]&] %Y A377723 Cf. A001222, A020639, A091371, A091375, A091376, A091377. %K A377723 nonn %O A377723 1,1 %A A377723 _James C. McMahon_, Dec 28 2024