Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A069090
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A069090 Primes none of whose proper initial segments are primes. +0
1
2, 3, 5, 7, 11, 13, 17, 19, 41, 43, 47, 61, 67, 83, 89, 97, 101, 103, 107, 109, 127, 149, 151, 157, 163, 167, 181, 401, 409, 421, 443, 449, 457, 461, 463, 467, 487, 491, 499 (list; graph; listen)
OFFSET

1,1

EXAMPLE

The proper initial segments of 499 are 4 and 49, none of which are primes. So 499 is a term of the sequence.

CROSSREFS

Sequence in context: A068192 A002200 A069709 this_sequence A088415 A139054 A003309

Adjacent sequences: A069087 A069088 A069089 this_sequence A069091 A069092 A069093

KEYWORD

base,nonn

AUTHOR

Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Apr 05 2002

page 1

Search completed in 0.003 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 September 6 16:04 EDT 2008. Contains 143483 sequences.


AT&T Labs Research