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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A173803 Primes in A139634. 0
11, 31, 71, 151, 311, 631, 2551, 655351, 2621431, 10485751, 5497558138871, 10995116277751, 175921860444151, 737869762948382064631, 396140812571321687967719751671 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

MATHEMATICA

Select[10*2^Range[0, 100]-9, PrimeQ] (* Harvey P. Dale, Jun 01 2019 *)

CROSSREFS

Cf. A139634

Sequence in context: A040973 A141884 A139634 * A124704 A293659 A089346

Adjacent sequences:  A173800 A173801 A173802 * A173804 A173805 A173806

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Mar 05 2010

EXTENSIONS

Edited by Jon E. Schoenfield, Jun 23 2010

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 21 17:20 EDT 2019. Contains 325198 sequences. (Running on oeis4.)