0,1

(5+7)/2 = 6 = 2.3 (29+31)/2 = 30 = 2.3.5 (2309+2311)/2 = 2310 = 2.3.5.7.11.

A014545, A005234, A057704, A006794, A002110.

Sequence in context: A085553 A057208 A046842 this_sequence A057705 A086720 A056869

Adjacent sequences: A057703 A057704 A057705 this_sequence A057707 A057708 A057709

nonn,bref

Labos E. (labos(AT)ana.sote.hu), Oct 24 2000

No more primorials below A002110(9592) satisfies the condition, so the corresponding twin primes (if they exist) have more than 6845 decimal digits.