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

2, 5, 2531, 4052555153019035587, 19088056323407827075424486287615602692671561637, 7395104114874202511988394360121831439224179537194323783

Offset

1,1

Links

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

Mathematica

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

Prog

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

Crossrefs

Cf. A215441.

Sequence in context: A119748 A101341 A079014 * A082973 A306747 A187604

Adjacent sequences: A215433 A215434 A215435 * A215437 A215438 A215439

Keyword

nonn

Author

Vincenzo Librandi, Sep 03 2012

Status

approved