login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A053608
Numbers x=LCM(1,2,...,n) such that x^2 + 1 is prime.
1
1, 2, 6, 420, 360360, 718766754945489455304472257065075294400
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
CROSSREFS
A003418
,
A051451
,
A049536
,
A046029
,
A051739
,
A053609
.
Sequence in context:
A092024
A252741
A069261
*
A199239
A123261
A124061
Adjacent sequences:
A053605
A053606
A053607
*
A053609
A053610
A053611
KEYWORD
nonn
AUTHOR
Labos Elemer
, Feb 09 2000
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 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)