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 A350372 #11 Dec 28 2021 14:50:51 %S A350372 180,252,300,360,396,450,468,504,540,588,600,612,684,700,720,756,792, %T A350372 828,882,936,980,1008,1044,1080,1100,1116,1176,1188,1200,1224,1300, %U A350372 1332,1350,1368,1400,1404,1440,1452,1476,1500,1512,1548,1575,1584,1620,1656,1692,1700 %N A350372 Numbers with exactly 5 semiprime divisors. %t A350372 q[n_] := DivisorSum[n, 1 &, PrimeOmega[#] == 2 &] == 5; Select[Range[1700], q] (* _Amiram Eldar_, Dec 28 2021 *) %o A350372 (PARI) isok(k) = sumdiv(k, d, bigomega(d)==2) == 5; \\ _Michel Marcus_, Dec 28 2021 %Y A350372 Numbers with exactly k semiprime divisors: A346041 (k=1), A345381 (k=2), A345382 (k=3), A350371 (k=4), this sequence (k=5), A350373 (k=6), A350374 (k=7), A350375 (k=8). %K A350372 nonn %O A350372 1,1 %A A350372 _Wesley Ivan Hurt_, Dec 27 2021