Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A046399
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A046399 Smallest palindrome with exactly n distinct prime factors. +0
1
1, 2, 6, 66, 858, 6006, 222222, 22444422, 244868442, 6434774346 (list; graph; listen)
OFFSET

0,2

COMMENT

Initial terms of sequences A046392-A046398.

REFERENCES

J.-P. Delahaye, Merveilleux nombres premiers ("Amazing primes"), p. 315, Pour la Science, Paris 2000.

CROSSREFS

Cf. A046385.

Adjacent sequences: A046396 A046397 A046398 this_sequence A046400 A046401 A046402

Sequence in context: A070872 A055685 A082619 this_sequence A082617 A006517 A091458

KEYWORD

nonn,hard,base

AUTHOR

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


AT&T Labs Research