OFFSET
1,1
COMMENTS
Includes all terms from A125251.
Conjecture: (30*k)^(2^m)+1 is prime for some numbers k at all values of m >= 0. - Richard R. Forberg, Feb 06 2021
MATHEMATICA
Select[Range[250], PrimeQ[900#^2+1]&] (* Harvey P. Dale, May 20 2012 *)
PROG
(Magma) [n: n in [0..10000]| IsPrime(1+900*n^2)] // Vincenzo Librandi, Dec 13 2010
(PARI) is(n)=isprime(1+900*n^2) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Zak Seidov, May 05 2008
STATUS
approved