OFFSET
1,1
COMMENTS
Delta = pqr + 2uvw - pu^2 - qv^2 - rw^2 for the general conic section px^2 + qy^2 + rz^2 + 2uyz + 2vxz + 2wxy = 0.
EXAMPLE
For n = 1, (p,q,r,u,v,w) = (430487,430499,430511,430513,430517,430543), Delta = 1296 = 6^4. Hence, 430487 the smallest prime of the six is a member.
CROSSREFS
KEYWORD
nonn
AUTHOR
Philip Mizzi, Oct 07 2019
EXTENSIONS
More terms from Giovanni Resta, Oct 09 2019
STATUS
approved