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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A137236 Numbers n such that 13^n + 4 is prime. 3
0, 1, 2, 6, 10, 15, 94, 198, 219, 4543, 11511, 12638, 45606 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..13.

Henri Lifchitz and Renaud Lifchitz, PRP Records.

PROG

(PARI) for(n=0, 300, if(isprime(13^n+4), print1(n", ")))

CROSSREFS

Sequence in context: A184426 A293408 A097022 * A124198 A032426 A220453

Adjacent sequences:  A137233 A137234 A137235 * A137237 A137238 A137239

KEYWORD

hard,more,nonn

AUTHOR

Jason Earls, Mar 08 2008

EXTENSIONS

a(13) from Lelio R. Paula contributed by Iain Fox, Nov 24 2017

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 July 20 01:38 EDT 2019. Contains 325168 sequences. (Running on oeis4.)