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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A106419 Smallest number beginning with 9 that is the product of exactly n distinct primes. 27
97, 91, 902, 910, 9030, 91770, 903210, 9699690, 900029130, 9146807670, 902340208770, 9426343036110, 900781858106130, 90004386781078770, 914836017997511610, 90100977291211496610, 9000008798605567472730 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

a(2) = 91 = 7*13.

CROSSREFS

Cf. A077326-A077334, A106411-A106419, A106421-A106429.

Sequence in context: A075478 A126146 A112667 * A074482 A130765 A111326

Adjacent sequences:  A106416 A106417 A106418 * A106420 A106421 A106422

KEYWORD

base,nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), May 02 2005

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 17 17:35 EST 2012. Contains 206061 sequences.