OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..200
EXAMPLE
a(5) = 8 as 8^5 + 3= 32771 is prime, while 2^5 +3, 4^5+3 and 6^5 +3 are composite.
MATHEMATICA
snk[n_]:=Module[{k=1}, While[!PrimeQ[k^n+3], k++]; k]; Array[snk, 70] (* Harvey P. Dale, Mar 08 2014 *)
PROG
(PARI) for(j=1, 50, for (i=1, 150, if(isprime(i^j+3), print1(i, ", "); break())))
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Sep 17 2003
EXTENSIONS
More terms from Mohammed Bouayoun (bouyao(AT)wanadoo.fr), Mar 14 2004
More terms from David Wasserman, Jun 08 2005
STATUS
approved