A081573 Decimal expansion of sum(1/(2^q-1)) with the summation extending over all pairs of integers (p,q)=1 0<p/q<e=2.718...

3, 4, 4, 2, 8, 7, 8, 2, 7, 0, 8, 1, 2, 0, 9, 4, 4, 3, 8, 7, 3, 3, 0, 3, 7, 7, 5, 0, 8, 7, 9, 9, 9, 2, 9, 3, 0, 8, 4, 2, 9, 0, 3, 9, 7, 1, 6, 6, 1, 2, 0, 6, 2, 3, 2, 7, 8, 3, 7, 7, 2, 1, 2, 8, 8, 3, 5, 0, 4, 4, 9, 3, 5, 8, 6, 6, 0, 5, 0, 4, 9, 8, 2, 4, 4, 7, 1, 9, 9, 3, 4, 7, 5, 6, 4, 2, 3, 6, 3, 5, 1, 6, 5, 6, 0