A067906 Primes of the form floor((5/4)^k).

2, 3, 5, 7, 11, 211, 1009, 3851, 7523, 9403, 18367, 213821, 815663, 2010764683, 831632781251, 23636425261531, 537430088605367, 7896825413969130677, 226627774989027955951103, 451298593966207394017315520293

Offset

1,1

Links

Charles R Greathouse IV, Table of n, a(n) for n = 1..31

Mathematica

Union[Select[Floor[(5/4)^Range[0, 400]], PrimeQ]] (* Harvey P. Dale, Jan 06 2012 *)

Prog

(PARI) for(n=1, 1e4, if(ispseudoprime(t=floor((5/4)^n)), print1(t", "))) \\ Charles R Greathouse IV, Feb 17 2011

Crossrefs

Sequence in context: A186449 A046480 A235000 * A029980 A046481 A082625

Adjacent sequences: A067903 A067904 A067905 * A067907 A067908 A067909

Keyword

nonn

Author

Benoit Cloitre, Mar 03 2002

Status

approved