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A173769 Primes in A154117. 4
2, 7, 17, 37, 157, 317, 1277, 2557, 20477, 655357, 5242877, 671088637, 2684354557, 5368709117, 343597383677, 23058430092136939517, 23611832414348226068477, 48357032784585166988247037, 830767497365572420564879412675215357 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Apart from the first term, the same as A172156. - R. J. Mathar, Mar 17 2010
Primes of the form 5*2^n-3.
LINKS
MATHEMATICA
Select[Table[5*2^n-3, {n, 0, 300}], PrimeQ] (* Vincenzo Librandi, Jul 26 2012 *)
PROG
(Magma) [ a: n in [0..150] | IsPrime(a) where a is 5*2^n-3 ];
CROSSREFS
Sequence in context: A086321 A009302 A154117 * A067038 A209398 A364756
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Mar 05 2010
EXTENSIONS
Edited by N. J. A. Sloane, Mar 17 2010
STATUS
approved

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Last modified July 20 03:54 EDT 2024. Contains 374441 sequences. (Running on oeis4.)