A064768 Sum of primes dividing the repunit numbers with a prime number of digits [A031974] (with repetition).
11, 40, 312, 4888, 534888, 265371785, 5365294080, 1111111111111111111, 11111111111111111111111, 77843964391, 57336415063797550469, 2212394296770453025145, 201763709900322803748658482662
Offset: 1