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A065200 Numbers of the form n = m * p^k, with p prime, k >= 0, m square-free, and p > any prime factor of m. +0
3
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 41, 42, 43, 46, 47, 49, 50, 51, 53, 54, 55, 57, 58, 59, 61, 62, 64, 65, 66, 67, 69, 70, 71, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89, 91, 93 (list; graph; listen)
OFFSET

1,2

COMMENT

a does not contain any arithmetic progression. The first 24 terms coincide with A053460.

EXAMPLE

a(17) = 18 = 2 * 3^2, whereas A065201(4) = 28 = 2^2 * 7 as 2

< 7.

CROSSREFS

Cf. A005117, A053460, A065201, A065202.

Adjacent sequences: A065197 A065198 A065199 this_sequence A065201 A065202 A065203

Sequence in context: A048991 A131881 A053460 this_sequence A107909 A067340 A085924

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 21 2001

EXTENSIONS

Edited by Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Oct 27 2006

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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