login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A161367 Primes such that p(n)-p(n-1)+1 is not prime 0
97, 127, 307, 331, 367, 397, 409, 457, 487, 499, 691, 709, 727, 751, 769, 787 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

a(1)=97 because is the first prime such that p(n)-p(n-1)+1 is not prime. (97-89+1=15, and 15 is not prime)

CROSSREFS

Cf. A000040 (the prime numbers), A001223 (difference between primes)

Sequence in context: A038133 A144325 A234101 * A216311 A258877 A073076

Adjacent sequences:  A161364 A161365 A161366 * A161368 A161369 A161370

KEYWORD

nonn

AUTHOR

Leonardo Sznajder, Jun 08 2009

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 27 19:04 EDT 2020. Contains 337388 sequences. (Running on oeis4.)