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

 

Logo

The submissions stack has been unacceptably high for several months now. Please voluntarily restrict your submissions and please help with the editing. (We don't want to have to impose further limits.)

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A100902 Numbers n such that (6^n+1)^2-2 is prime. 1
0, 1, 2, 3, 4, 9, 12, 30, 49, 56, 115, 118, 376, 432, 1045, 1310, 6529, 7768, 8430, 21942, 26930, 33568 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Generalization of Carol and Kynea primes.

LINKS

Table of n, a(n) for n=1..22.

S. Harvey, Carol and Kynea Primes.

MAPLE

A100902:=n->`if`(isprime((6^n+1)^2-2), n, NULL): seq(A100902(n), n=0..1000); # Wesley Ivan Hurt, Nov 02 2014

MATHEMATICA

Select[Range[0, 2000], PrimeQ[(6^# + 1)^2 - 2] &] (* Vincenzo Librandi, Nov 03 2014 *)

PROG

(MAGMA) [n: n in [0..300] | IsPrime((6^n+1)^2-2)]; // Vincenzo Librandi, Nov 03 2014

CROSSREFS

Sequence in context: A062410 A145772 A027866 * A034793 A134313 A220952

Adjacent sequences:  A100899 A100900 A100901 * A100903 A100904 A100905

KEYWORD

nonn,more

AUTHOR

Ray Chandler, Nov 21 2004

EXTENSIONS

Added 0 from Vincenzo Librandi, Nov 03 2014

STATUS

approved

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

Content is available under The OEIS End-User License Agreement .

Last modified August 27 15:19 EDT 2015. Contains 261092 sequences.