The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A077007 Primes (k) such that prime(k)*prime(k+1) + 1 or prime(k)*prime(k+1)- 1 is divisible by prime(k+2). 0
2, 3, 7, 17, 31, 1321 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
a(7) > 1e8.
LINKS
EXAMPLE
7 is a member as 13 divides 7*11 + 1 = 78. 17 is a member as 23 divides 17*19 -1 = 322.
CROSSREFS
Sequence in context: A349665 A030086 A078721 * A158498 A267601 A155548
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Oct 26 2002
EXTENSIONS
One more term from Ralf Stephan, Oct 31 2002
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 May 28 19:55 EDT 2024. Contains 372919 sequences. (Running on oeis4.)