login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A238670 Primes p such that (p+8)^2+8 is prime but (p+j)^2+j is not prime for all 0<j<8. 2
181, 277, 541, 937, 1381, 1741, 2551, 2617, 2677, 3433, 3919, 4231, 4657, 4933, 5923, 6337, 6481, 6781, 7669, 7717, 7867, 8161, 8167, 8287, 8329, 8389, 8647, 8707, 9013, 9151, 9397, 9661, 9739, 9967, 10651, 11059, 11287, 11743, 11887, 12421, 12457, 12697 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Prime[Range[1600]], PrimeQ[Table[(#+n)^2+n, {n, 8}]]=={False, False, False, False, False, False, False, True}&] (* Harvey P. Dale, Dec 17 2016 *)

CROSSREFS

Column k=8 of A238086.

Sequence in context: A107694 A142312 A020360 * A168473 A142920 A142058

Adjacent sequences:  A238667 A238668 A238669 * A238671 A238672 A238673

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Mar 02 2014

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 November 15 21:17 EST 2019. Contains 329151 sequences. (Running on oeis4.)