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 A346484 #8 Dec 11 2022 12:12:23 %S A346484 16,81,128,360,504,540,600,625,756,792,936,1024,1176,1188,1224,1350, %T A346484 1368,1400,1404,1500,1656,1836,1960,2052,2088,2187,2200,2232,2250, %U A346484 2401,2484,2600,2646,2664,2904,2952,3096,3132,3348,3384,3400,3500,3800,3816,3996,4056,4116,4248,4312,4392,4428,4600,4644,4725,4824 %N A346484 Composite numbers k for which A346482(k) = 0. %C A346484 Let p, q and r be distinct primes and m >= 1. If k = p^(3*m + 1) or k = p^3 * q^2 * r, then k is in the sequence. Do all terms have this form? - _Sebastian Karlsson_, Dec 09 2022 %o A346484 (PARI) isA346484(n) = (!isprime(n) && !A346482(n)); %Y A346484 Cf. A346482. %K A346484 nonn %O A346484 1,1 %A A346484 _Mats Granvik_ and _Antti Karttunen_, Aug 17 2021