A364710 Products of primorials that are neither squarefree nor prime powers.

12, 24, 36, 48, 60, 72, 96, 120, 144, 180, 192, 216, 240, 288, 360, 384, 420, 432, 480, 576, 720, 768, 840, 864, 900, 960, 1080, 1152, 1260, 1296, 1440, 1536, 1680, 1728, 1800, 1920, 2160, 2304, 2520, 2592, 2880, 3072, 3360, 3456, 3600, 3840, 4320, 4608, 4620

Offset: 1

Author

Michael De Vlieger, Dec 12 2023

Keywords

• nonn
• easy

Comments

Proper subset of A055932, since A025487 is a proper subset of A055932.

Contains {A002182 \ {1, 2, 4, 6}}.

Links

• Michael De Vlieger, Table of n, a(n) for n = 1..10563 (All terms k <= A002110(13))

Crossrefs

Cf. A000079, A002110, A002182, A025487, A126706.

Programs

Mathematica

(* Load May 19 2018 function f at A025487, then run the following: *)
Select[Union@ Flatten@ f[5], PrimeOmega[#] > PrimeNu[#] > 1 &]

Formula

This sequence is A025487 \ {A000079 U A002110}.

Intersection of A025487 and A126706.