login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A020304 Strong pseudoprimes to base 78. 1
77, 341, 451, 703, 1247, 1271, 1849, 1921, 2047, 3097, 4187, 6031, 6085, 6601, 13333, 13981, 15251, 22801, 32761, 43141, 45551, 47197, 53621, 68101, 76049, 79003, 83333, 85609, 88831, 93961, 98671, 111361, 114589, 139231, 216457, 229633, 235549 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..300

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A158771 A331976 A020206 * A154058 A027574 A059047

Adjacent sequences:  A020301 A020302 A020303 * A020305 A020306 A020307

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 | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 2 16:02 EDT 2020. Contains 335404 sequences. (Running on oeis4.)