A273942 Primes of the form 3^n + n.

11, 6569, 16677181699666603

Offset

1,1

Comments

Terms given correspond to n in A057900.

a(4) has 731 digits.

Links

Table of n, a(n) for n=1..3.

Mathematica

Select[Table[3^n + n, {n, 1, 1000}], PrimeQ]

Prog

(Magma) [a: n in [0..100] | IsPrime(a) where a is 3^n+n];

Crossrefs

Cf. A057900, A104743, A129962, A129963.

Sequence in context: A208857 A214162 A167068 * A199646 A214183 A214234

Adjacent sequences: A273939 A273940 A273941 * A273943 A273944 A273945

Keyword

nonn,bref,more

Author

Vincenzo Librandi, Jun 06 2016

Status

approved