A346484 Composite numbers k for which A346482(k) = 0.

16, 81, 128, 360, 504, 540, 600, 625, 756, 792, 936, 1024, 1176, 1188, 1224, 1350, 1368, 1400, 1404, 1500, 1656, 1836, 1960, 2052, 2088, 2187, 2200, 2232, 2250, 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

Offset: 1

Author

Mats Granvik and Antti Karttunen, Aug 17 2021

Keywords

• nonn

Comments

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

Crossrefs

Cf. A346482.

Programs

PARI

isA346484(n) = (!isprime(n) && !A346482(n));