VOOZH about

URL: https://oeis.org/A364710

⇱ A364710 - OEIS


login
A364710
Products of primorials that are neither squarefree nor prime powers.
11
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