OFFSET
1,1
COMMENTS
Numbers n with property that both m=4*n^2 + 163 and p=4*m^2 + 163 are primes.
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
FORMULA
n = 2: m = 4*n^2 + 163 = 179 and p = 4*m^2 + 163 = 128327 are primes.
MATHEMATICA
mpQ[n_]:=Module[{m=4n^2+163}, And@@PrimeQ[{m, 4m^2+163}]]; Select[Range[300], mpQ] (* Harvey P. Dale, Jul 15 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Mar 09 2010
EXTENSIONS
Edited by Zak Seidov, Mar 17 2010
STATUS
approved