A065201 - OEIS

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A065201

Numbers having a non-maximal prime-factor with exponent greater than 1.

12, 20, 24, 28, 36, 40, 44, 45, 48, 52, 56, 60, 63, 68, 72, 76, 80, 84, 88, 90, 92, 96, 99, 100, 104, 108, 112, 116, 117, 120, 124, 126, 132, 135, 136, 140, 144, 148, 152, 153, 156, 160, 164, 168, 171, 172, 175, 176, 180, 184, 188, 189, 192, 196, 198, 200

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

If n is a member so is every positive multiple of n. The primitive elements are A096156.

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

a(4) = 28 = 2^2 * 7 as 2 < 7.

CROSSREFS

Complement of A065200. Cf. A065202, A096156.

Sequence in context: A307517 A206552 A332832 * A136724 A361868 A316597

Adjacent sequences: A065198 A065199 A065200 * A065202 A065203 A065204

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Oct 21 2001

EXTENSIONS

Edited by Franklin T. Adams-Watters, Oct 27 2006

STATUS

approved

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