OFFSET
1,1
COMMENTS
0<=n<=14 gives primes.
EXAMPLE
a(3) = 83 = 3^2 + 19*3 + 17 is in the sequence because it is prime. a(15)=527 is not because 527 = 17*31.
MAPLE
with(numtheory): for n from 0 to 300 do if isprime(n^2 + 19*n + 17) then printf(`%d, `, n^2 + 19*n + 17) fi; od:
MATHEMATICA
Select[Table[n^2+19n+17, {n, 0, 60}], PrimeQ] (* Harvey P. Dale, Jun 21 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Anton Joha, Jan 31 2001
EXTENSIONS
More terms from James A. Sellers, Feb 03 2001
STATUS
approved