OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
3 = 0^4 + 3; 19 = 2^4 + 3.
MAPLE
# choose N large, then S is the desired set
f:=n->n^4 + 3:
S:={}:
for n from 0 to N do if(isprime(f(n))) then S:=S union {f(n)}: fi: od:
MATHEMATICA
Select[Range[0, 250]^4+3, PrimeQ] (* Harvey P. Dale, Jan 10 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Patrick Devlin, Apr 25 2012
STATUS
approved