Can you find the last number in the sequence below?
3 7 15 31 ?
63
Starting with 3:
3 * 2 + 1 = 7
7 * 2 + 1 = 15
15 * 2 + 1 = 31
Continuing this pattern:
31 * 2 + 1 = 63
So, using the pattern of multiplying by 2 and adding 1, the missing number in the sequence is 63.
