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 A363049 #34 May 16 2023 08:14:14 %S A363049 46,82,106,118,166,190,226,244,262,274,298,316,326,334,346,358,386, %T A363049 406,442,466,478,514,526,562,568,586,622,626,676,694,706,730,766,778, %U A363049 802,826,838,862,886,892,898,926,946,958,982,1006,1018,1030,1046,1054,1090 %N A363049 Even numbers k having fewer prime factors, counted with multiplicity, than k-1. %e A363049 46 = 2*23, so A001222(46) = 2, and 45 = 3*3*5, so A001222(45) = 3, thus 46 is a term of the sequence. %t A363049 Select[2Range[550],PrimeOmega[#]<PrimeOmega[#-1]&] (* _Stefano Spezia_, May 15 2023 *) %o A363049 (PARI) isok(n) = n%2==0 && bigomega(n) < bigomega(n-1) \\ _Andrew Howroyd_, May 14 2023 %Y A363049 Cf. A001222 (bigomega), A339910 (both odd and even). %K A363049 nonn %O A363049 1,1 %A A363049 _Alexandre Herrera_, May 14 2023