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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A020149 Pseudoprimes to base 21. 0
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; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A189586 A019498 A015889 * A056412 A032275 A015220

Adjacent sequences:  A020146 A020147 A020148 * A020150 A020151 A020152

KEYWORD

nonn

AUTHOR

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

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

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

Last modified February 17 08:44 EST 2012. Contains 205998 sequences.