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A364710
Products of primorials that are neither squarefree nor prime powers.
6
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
1,1
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))
FORMULA
This sequence is A025487 \ {A000079 U A002110}.
Intersection of A025487 and A126706.
MATHEMATICA
(* Load May 19 2018 function f at A025487, then run the following: *)
Select[Union@ Flatten@ f[5], PrimeOmega[#] > PrimeNu[#] > 1 &]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Michael De Vlieger, Dec 12 2023
STATUS
approved