A173803 Primes in A139634.

11, 31, 71, 151, 311, 631, 2551, 655351, 2621431, 10485751, 5497558138871, 10995116277751, 175921860444151, 737869762948382064631, 396140812571321687967719751671

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