A215436 Primes of form 3^k + k^3 + 1.

2, 5, 2531, 4052555153019035587, 19088056323407827075424486287615602692671561637, 7395104114874202511988394360121831439224179537194323783

Offset: 1

Author

Vincenzo Librandi, Sep 03 2012

Keywords

• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..9

Crossrefs

Cf. A215441.

Programs

Magma

[ a: n in [0..250] | IsPrime(a) where a is 3^n+n^3+1 ];

Mathematica

Select[Table[3^n + n^3 + 1, {n, 0, 200}], PrimeQ]