Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A068216
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A068216 Smallest n-digit pseudoprimes (in base 2). +0
4
341, 1105, 10261, 101101, 1004653, 10004681, 100017223, 1001152801, 10000321321, 100004790097, 1000001376901, 10000130243671, 100000105970311, 1000000191735161, 10000006286491369, 100000010102756401, 1000000114865704261, 10000000494514450733 (list; graph; listen)
OFFSET

1,1

LINKS

P. De Geest, Smallest n-digit pseudoprimes (base 2)

Index entries for sequences related to pseudoprimes

CROSSREFS

Cf. A001567, A067845, A001262, A062568, A062852.

Sequence in context: A087835 A066488 A083876 this_sequence A038473 A050217 A086837

Adjacent sequences: A068213 A068214 A068215 this_sequence A068217 A068218 A068219

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com) and Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 21 2002.

EXTENSIONS

One more term from Farideh Firoozbakht (mymontain(AT)yahoo.com), Jan 10 2007

More terms from Jens Kruse Andersen (jens.k.a(AT)get2net.dk), May 11 2008

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 November 25 13:47 EST 2009. Contains 167481 sequences.


AT&T Labs Research