%N Sum of the lower of twin primes <= prime(10^n).
%C After the 3rd term, the next term is roughly 100 times the previous term.
%F prime(n) = n-th prime number.
%e 3,5,11,17,29 are lower bounds of twin primes <= prime(10^1) These add up to 65,
%e the first entry in the table.
%A _Cino Hilliard_, Sep 20 2005