login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A252016
a(1)=2, a(2)=23; thereafter a(n) is the smallest prime which begins with the concatenation a(n-2)a(n-1).
1
2, 23, 223, 2322337, 223232233717, 232233722323223371711, 223232233717232233722323223371711159, 232233722323223371711223232233717232233722323223371711159007
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
a(4) = 2322337 == 23, 223, 37
LINKS
Alois P. Heinz,
Table of n, a(n) for n = 1..13
CROSSREFS
Cf.
A240563
.
Sequence in context:
A069614
A036937
A083808
*
A037750
A037631
A026075
Adjacent sequences:
A252013
A252014
A252015
*
A252017
A252018
A252019
KEYWORD
nonn
,
base
AUTHOR
Giovanni Teofilatto
, Dec 13 2014
EXTENSIONS
a(6)-a(8) from
Alois P. Heinz
, Jan 01 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 September 4 05:14 EDT 2024. Contains 375679 sequences. (Running on oeis4.)