login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046316 Odd numbers divisible by exactly 3 primes (counted with multiplicity). 5
27, 45, 63, 75, 99, 105, 117, 125, 147, 153, 165, 171, 175, 195, 207, 231, 245, 255, 261, 273, 275, 279, 285, 325, 333, 343, 345, 357, 363, 369, 385, 387, 399, 423, 425, 429, 435, 455, 465, 475, 477, 483, 507, 531, 539, 549, 555, 561, 575, 595, 603, 605 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Subsequence of A046340, odd composite numbers with an odd number of prime factors (counted with multiplicity).

CROSSREFS

Cf. A014612, A046340.

Sequence in context: A141229 A121614 A046340 * A046373 A113481 A039325

Adjacent sequences:  A046313 A046314 A046315 * A046317 A046318 A046319

KEYWORD

nonn

AUTHOR

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 21:51 EST 2012. Contains 205978 sequences.