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

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A020235 Strong pseudoprimes to base 9. 0
91, 121, 671, 703, 1541, 1729, 1891, 2821, 3281, 3367, 3751, 5551, 7381, 8401, 8911, 10585, 11011, 12403, 14383, 15203, 16471, 16531, 18721, 19345, 23521, 24661, 24727, 28009, 29341, 30857, 31621, 32791, 38503, 44287, 46999, 47197, 49051, 49141, 53131 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

Index entries for sequences related to pseudoprimes

Eric Weisstein's World of Mathematics, Strong Pseudoprime

CROSSREFS

Sequence in context: A092125 A005935 A020307 * A046427 A179338 A020238

Adjacent sequences:  A020232 A020233 A020234 * A020236 A020237 A020238

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified August 1 19:36 EDT 2014. Contains 245137 sequences.