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Search: id:A046340
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A046340 Odd numbers with an odd number of prime factors (counted with multiplicity). +0
3
27, 45, 63, 75, 99, 105, 117, 125, 147, 153, 165, 171, 175, 195, 207, 231, 243, 245, 255, 261, 273, 275, 279, 285, 325, 333, 343, 345, 357, 363, 369, 385, 387, 399, 405, 423, 425, 429, 435, 455, 465, 475, 477, 483, 507, 531, 539, 549, 555, 561, 567, 575 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A046339, A046341.

Sequence in context: A114446 A141229 A121614 this_sequence A046316 A046373 A113481

Adjacent sequences: A046337 A046338 A046339 this_sequence A046341 A046342 A046343

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 1998.

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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