login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A062592
Numbers k such that 26^k - 25^k is prime or a strong pseudoprime.
3
3, 7, 97, 109, 401, 431
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
a(7) > 10^5. -
Robert Price
, Nov 10 2012
LINKS
Table of n, a(n) for n=1..6.
CROSSREFS
Cf.
A000043
,
A057468
,
A059801
,
A059802
,
A062572
-
A062589
,
A214658
,
A214655
,
A062593
-
A062666
.
Sequence in context:
A307661
A177495
A088419
*
A074349
A159310
A362682
Adjacent sequences:
A062589
A062590
A062591
*
A062593
A062594
A062595
KEYWORD
nonn
,
hard
AUTHOR
Mike Oakes
, May 18 2001, May 19 2001
EXTENSIONS
Edited by
M. F. Hasler
, Sep 21 2013
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 18 03:01 EDT 2024. Contains 371767 sequences. (Running on oeis4.)