Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A020149
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A020149 Pseudoprimes to base 21. +0
1
4, 10, 20, 55, 65, 85, 221, 703, 793, 1045, 1105, 1852, 2035, 2465, 3781, 4630, 5185, 5473, 5995, 6541, 7363, 8695, 8965, 9061, 10585, 10945, 11647, 13019, 13051, 13981, 14491, 17767, 18103, 18721, 19345, 19669, 19909, 21667, 22681, 23155, 24013, 25465 (list; graph; listen)
OFFSET

1,1

LINKS

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A048019 A019498 A015889 this_sequence A056412 A032275 A015220

Adjacent sequences: A020146 A020147 A020148 this_sequence A020150 A020151 A020152

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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 December 7 08:40 EST 2009. Contains 170430 sequences.


AT&T Labs Research