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 A100367 #25 Mar 15 2024 07:24:36 %S A100367 6,10,12,14,18,20,22,24,26,28,34,36,38,40,44,46,48,50,52,54,56,58,62, %T A100367 68,72,74,76,80,82,86,88,92,94,96,98,100,104,106,108,112,116,118,122, %U A100367 124,134,136,142,144,146,148,152,158,160,162,164,166,172,176,178,184,188 %N A100367 Even numbers with two prime factors, not counting multiplicity. %C A100367 This is a proper subset of A098902. E.g., 210 is not here, but it is there. %C A100367 Numbers of the form 2^k*p^h where k > 0, h > 0, and p is an odd prime. [corrected by _Lei Zhou_, Oct 29 2018] %H A100367 Michael De Vlieger, <a href="/A100367/b100367.txt">Table of n, a(n) for n = 1..10000</a> %t A100367 Select[Range[2, 200, 2], PrimeNu@ # == 2 &] (* _Michael De Vlieger_, Oct 31 2018 *) %o A100367 (PARI) isok(n) = !(n%2) && (omega(n) == 2); \\ _Michel Marcus_, Feb 02 2018 %Y A100367 Cf. A001221. %Y A100367 Intersection of A007774 and A098902. %Y A100367 The even terms of A336101. %Y A100367 A100368 is a subsequence. %K A100367 nonn %O A100367 1,1 %A A100367 _Labos Elemer_, Nov 22 2004