Puzzle #45 Answer
Solved! Each number in the sequence can be broken down into binary place values that tell you which segments are “active” on the digital 8 shape. For example, the first number, 103, can be broken into 64, 32, 4, 2, and 1. This tells you to use the corresponding segments on the black shape, which form the number 9.
The full code is: 942873