Coba jelasin Quartan primes dari Daftar bilangan prima dong

Of the form x + y, where x,y > 0.

2, 17, 97, 257, 337, 641, 881 ()

Integers R that are the smallest to give at least n primes from x/2 to x for all x ≥ R (all such integers are primes).

2, 11, 17, 29, 41, 47, 59, 67, 71, 97, 101, 107, 127, 149, 151, 167, 179, 181, 227, 229, 233, 239, 241, 263, 269, 281, 307, 311, 347, 349, 367, 373, 401, 409, 419, 431, 433, 439, 461, 487, 491 ()