login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A077914
Sums of two distinct primes in exactly two ways.
10
16, 18, 20, 22, 26, 28, 32, 62, 68
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
Most likely no more terms. See
A117929
. -
T. D. Noe
, Mar 21 2012
Numbers k such that
A117929
(k) = 2. -
Joerg Arndt
, Jun 07 2021
LINKS
Table of n, a(n) for n=1..9.
G. L. Honaker, Jr.,
Prime Curio for 16
, April 2000.
EXAMPLE
22 is a term as 22 = 19+3 = 17+5 are the only two ways to express 22 as a sum of two distinct primes.
CROSSREFS
Cf.
A077969
(3 ways),
A078299
(4 ways),
A080854
(5 ways),
A080862
(6 ways).
Sequence in context:
A043705
A178980
A031315
*
A273543
A274127
A328736
Adjacent sequences:
A077911
A077912
A077913
*
A077915
A077916
A077917
KEYWORD
nonn
,
more
AUTHOR
Shyam Sunder Gupta
, Mar 29 2003
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 21:46 EDT 2024. Contains 371781 sequences. (Running on oeis4.)