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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A139787 Semiprime lucky numbers. 1
9, 15, 21, 25, 33, 49, 51, 69, 87, 93, 111, 115, 129, 133, 135, 141, 159, 169, 201, 205, 219, 235, 237, 259, 267, 289, 303, 319, 321, 327, 339, 361, 391, 393, 415, 427, 451, 489, 511, 517, 519, 529, 535, 537, 553, 559, 579, 583, 591, 655, 679, 685, 699, 717 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Subset of A031879 Composite lucky numbers.

FORMULA

A000959 INTERSECTION A001358.

CROSSREFS

Cf. A000959, A001358, A031879.

Sequence in context: A025045 A107987 A031879 * A172181 A063139 A163170

Adjacent sequences:  A139784 A139785 A139786 * A139788 A139789 A139790

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post (jvospost3(AT)gmail.com), May 20 2008

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 14 05:35 EST 2012. Contains 205570 sequences.