Mind Stretcher Books Link

Detective Miles found a single slip of paper at a crime scene. On it was written: No other clues remained. The victim had managed to scribble this sequence before losing consciousness.

What number should replace the And why might the victim have chosen this sequence to identify his attacker? (Answer logic: Each term is double the previous term, minus 1. So: 2×2−1=3, 3×2−1=5, 5×2−1=9, 9×2−1=17, 17×2−1=33. The attacker could be linked to “33” — a room number, age, or code.) mind stretcher books

“He’s giving us the next number,” Miles whispered. Detective Miles found a single slip of paper