

A362147


Numbers that are not cubefull.


2



2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 82, 83, 84
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OFFSET

1,1


COMMENTS

Integers m for which there is a prime p that divides m, but p^3 does not divide m.


LINKS



EXAMPLE

224 and 2^324, but 324 and 3^3 does not divide 24, so 24 is a term.


MATHEMATICA

Select[Range[2, 100], Min[FactorInteger[#][[;; , 2]]] < 3 &] (* Amiram Eldar, Apr 09 2023 *)


PROG

(PARI) isok(k) = (k!=1) && (vecmin(factor(k)[, 2])<=2); \\ Michel Marcus, Apr 12 2023


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



