login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A020253 Strong pseudoprimes to base 27. 1
121, 133, 259, 365, 703, 1649, 1891, 3281, 4921, 5461, 8401, 8911, 9809, 9841, 9881, 10585, 12403, 13019, 13073, 13333, 16531, 18721, 19345, 21901, 23521, 26467, 26599, 29891, 31621, 35371, 37969, 44287, 47197, 48133, 50171, 52801, 55537, 55969, 63139 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A162531 A050697 A319923 * A182776 A080466 A271630
KEYWORD
nonn
AUTHOR
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)