A200960 Primes of the form 9n^3-1.

71, 8999, 15551, 71999, 197567, 242999, 294911, 876023, 995327, 1265471, 2144951, 2829887, 3086999, 4962311, 5724503, 6560999, 7008191, 10719143, 14787287, 15551999, 18874367, 22639103, 36863999, 45796031, 54257111, 63700991

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Select[Table[9n^3-1, {n, 1, 4000}], PrimeQ]

Prog

(Magma) [a: n in [1..200] | IsPrime(a) where a is 9*n^3-1]

Crossrefs

Sequence in context: A239718 A279904 A115447 * A260034 A250974 A209952

Adjacent sequences: A200957 A200958 A200959 * A200961 A200962 A200963

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 26 2011

Status

approved