login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A251259
Numbers n such that 11*12^n + 1 is prime.
2
3, 4, 35, 119, 476, 507, 6471, 13319, 31799
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
a(10) > 2*10^5. -
Robert Price
, Mar 20 2015
LINKS
Table of n, a(n) for n=1..9.
EXAMPLE
11*12^4 + 1 = 228097, which is prime.
MATHEMATICA
Select[Range[0, 1000], PrimeQ[11*12^# + 1] &]
PROG
(Magma) [n: n in [1..600]| IsPrime(11*12^n+1)]; //
Vincenzo Librandi
, Mar 21 2015
(PARI) is(n)=ispseudoprime(11*12^n+1) \\
Charles R Greathouse IV
, Jun 13 2017
CROSSREFS
Cf.
A079907
.
Sequence in context:
A246015
A078504
A066090
*
A042891
A032835
A102920
Adjacent sequences:
A251256
A251257
A251258
*
A251260
A251261
A251262
KEYWORD
nonn
,
more
AUTHOR
Robert Price
, Mar 20 2015
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 July 12 05:32 EDT 2024. Contains 374237 sequences. (Running on oeis4.)