login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A139297
2^(2p - 1)/2-1, where p is a Mersenne prime
A000668
(n).
3
15, 4095, 1152921504606846975
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..3.
FORMULA
a(n) = 2^(2*
A000668
(n)-1)/2-1 =
A139296
(n)-1.
CROSSREFS
Sequence in context:
A374796
A374335
A172322
*
A211251
A208469
A070907
Adjacent sequences:
A139294
A139295
A139296
*
A139298
A139299
A139300
KEYWORD
bref
,
nonn
AUTHOR
Omar E. Pol
, Apr 13 2008
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 August 18 02:03 EDT 2024. Contains 375255 sequences. (Running on oeis4.)