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 A327829 #29 Mar 06 2021 06:00:11 %S A327829 6,10,14,15,21,22,26,30,33,34,35,38,39,42,46,51,55,57,58,62,65,66,69, %T A327829 70,74,77,78,82,85,86,87,91,93,94,95,102,105,106,110,111,114,115,118, %U A327829 119,122,123,129,130,133,134,138,141,142,143,145,146,154,155,158,159,161 %N A327829 Squarefree numbers with a prime number of prime factors. %C A327829 210 is the first integer in A120944 but not here: it has 4 prime factors. %H A327829 Amiram Eldar, <a href="/A327829/b327829.txt">Table of n, a(n) for n = 1..10000</a> %F A327829 A006881 UNION A007304 UNION A046387 UNION A123321 UNION .... - _R. J. Mathar_, Oct 13 2019 %t A327829 Select[Range@ 161, And[SquareFreeQ@ #, PrimeQ@ PrimeNu@ #] &] (* _Michael De Vlieger_, Sep 29 2019 *) %o A327829 (PARI) isok(n) = issquarefree(n) && isprime(omega(n)); \\ _Michel Marcus_, Sep 27 2019 %Y A327829 Subsequence of A120944. %Y A327829 A006881, A007304, A046387 are subsequences. %Y A327829 A046386, A067885 are not subsequences. %K A327829 nonn %O A327829 1,1 %A A327829 _Sebastian F. Orellana_, Sep 26 2019 %E A327829 Corrected and extended by _Michel Marcus_, Sep 27 2019