A176927 Primes of the form 2^k + 35.

37, 43, 67, 163, 547, 2083, 32803, 33554467, 8589934627, 144115188075855907, 166153499473114484112975882535043107, 10889035741470030830827987437816582766627, 784637716923335095479473677900958302012794430558004314147

Offset: 1

Author

Vincenzo Librandi, Apr 29 2010

Keywords

• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..24

Crossrefs

Cf. A000040, A220077 (corresponding k's).

Cf. Similar sequences listed in A243429.

Programs

Magma

[a: n in [0..250] | IsPrime(a) where a is 2^n+35];

Mathematica

Select[Table[2^n + 35, {n, 0, 300}], PrimeQ] (* Vincenzo Librandi, Dec 01 2012 *)

Formula

a(n) = 2^A220077(n) + 35. - Elmo R. Oliveira, Nov 08 2023