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A273942 Primes of the form 3^n + n. 0
11, 6569, 16677181699666603 (list; graph; refs; listen; history; text; internal format)
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

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Last modified June 20 19:36 EDT 2019. Contains 324234 sequences. (Running on oeis4.)