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Search: id:A072587
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A072587 Numbers having at least one prime factor with an even exponent. +0
3
1, 4, 9, 12, 16, 18, 20, 25, 28, 36, 44, 45, 48, 49, 50, 52, 60, 63, 64, 68, 72, 75, 76, 80, 81, 84, 90, 92, 98, 99, 100, 108, 112, 116, 117, 121, 124, 126, 132, 140, 144, 147, 148, 150, 153, 156, 162, 164, 169, 171, 172, 175, 176, 180, 188, 192, 196, 198, 200, 204 (list; graph; listen)
OFFSET

1,2

COMMENT

Complement of A002035.

CROSSREFS

Cf. A000037, A072588.

Sequence in context: A094120 A066423 A072498 this_sequence A135572 A010449 A034030

Adjacent sequences: A072584 A072585 A072586 this_sequence A072588 A072589 A072590

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jun 23 2002

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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