A205776 Primes of the form 2*6^n+1.

3, 13, 73, 433, 2593, 120932353, 725594113, 33853318889473, 7312316880125953, 12281884428929630994433, 160409934466124808814066151718913, 44904515414709114480174422247585349633, 452534055376752384160395854386801887645007873

Offset: 1

Author

Vladimir Joseph Stephan Orlovsky, Jan 31 2012

Keywords

• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..19

Crossrefs

Cf. A120023, A205771

Programs

Mathematica

Select[2*6^Range[0, 500] + 1, PrimeQ]