A201112 Primes of the form 3n^3+1.

193, 3001, 8233, 12289, 17497, 24001, 81001, 139969, 164617, 331777, 472393, 585337, 786433, 1029001, 1215673, 1908169, 2654209, 3573049, 5184001, 8232001, 10125001, 10956793, 13722889, 14739001, 15804073, 16355329, 17496001, 24000001

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..3400

Mathematica

Select[Table[3n^3+1, {n, 0, 5000}], PrimeQ]

Prog

(Magma) [a: n in [0..300] | IsPrime(a) where a is 3*n^3+1]

Crossrefs

Sequence in context: A125647 A166540 A178265 * A250156 A197112 A120851

Adjacent sequences: A201109 A201110 A201111 * A201113 A201114 A201115

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 27 2011

Status

approved