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!)
A090614 Numbers n such that 14n+3 is prime. 9
0, 1, 2, 4, 5, 7, 11, 14, 16, 17, 19, 20, 22, 25, 26, 29, 34, 37, 40, 41, 44, 46, 47, 55, 56, 59, 61, 67, 70, 71, 74, 79, 80, 82, 85, 89, 91, 92, 94, 97, 104, 106, 110, 112, 115, 116, 119, 121, 125, 130, 134, 136, 139, 149, 152, 160, 167, 170, 172, 176, 182, 184, 185 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
FORMULA
a(n) = (A024903(n+1)-1)/2 = (A033868(n)-2)/2 = A089033(n)/2.
MATHEMATICA
Select[Range[0, 200], PrimeQ[14#+3]&] (* Harvey P. Dale, Jun 09 2015 *)
PROG
(PARI) is(n)=isprime(14*n+3) \\ Charles R Greathouse IV, Feb 17 2017
CROSSREFS
A045437 gives primes, A090613 gives prime index.
Sequence in context: A239510 A039673 A097581 * A171022 A097697 A035620
KEYWORD
nonn
AUTHOR
Ray Chandler, Dec 23 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 21 14:30 EDT 2024. Contains 371874 sequences. (Running on oeis4.)