A067907 Primes of the form floor((6/5)^k).

2, 3, 5, 7, 31, 79, 137, 197, 2539, 7583, 119257883, 7900521439, 5715680753274209, 454378599506401699, 545254319407682039, 556527288873434664371, 961679155173295100033, 12347176242987457664783

Offset

1,1

Links

Charles R Greathouse IV, Table of n, a(n) for n = 1..43

Mathematica

Select[Floor[(6/5)^Range[500]], PrimeQ]//Union (* Harvey P. Dale, Mar 09 2025 *)

Prog

(PARI) v=vector(43); i=0; for(n=1, 12629, if(ispseudoprime(t=floor((6/5)^n)), v[i++]=t)); v \\ Charles R Greathouse IV, Feb 17 2011

Crossrefs

Sequence in context: A052014 A236255 A090711 * A289759 A175611 A378108

Adjacent sequences: A067904 A067905 A067906 * A067908 A067909 A067910

Keyword

nonn,changed

Author

Benoit Cloitre, Mar 03 2002

Status

approved