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Products of primorials that are neither squarefree nor prime powers.
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%I #21 Dec 16 2023 05:43:34

%S 12,24,36,48,60,72,96,120,144,180,192,216,240,288,360,384,420,432,480,

%T 576,720,768,840,864,900,960,1080,1152,1260,1296,1440,1536,1680,1728,

%U 1800,1920,2160,2304,2520,2592,2880,3072,3360,3456,3600,3840,4320,4608,4620

%N Products of primorials that are neither squarefree nor prime powers.

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

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

%H Michael De Vlieger, <a href="/A364710/b364710.txt">Table of n, a(n) for n = 1..10563</a> (All terms k <= A002110(13))

%F This sequence is A025487 \ {A000079 U A002110}.

%F Intersection of A025487 and A126706.

%t (* Load May 19 2018 function f at A025487, then run the following: *)

%t Select[Union@ Flatten@ f[5], PrimeOmega[#] > PrimeNu[#] > 1 &]

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

%K nonn,easy

%O 1,1

%A _Michael De Vlieger_, Dec 12 2023