-1,-3,5,23
The next number in this sequence is 99.
This sequence follows the pattern of starting at -1, then adding consecutive odd numbers: 2^2 = 4, 4^2 = 16, 6^2 = 36.
Therefore, the next number in the sequence would be 36 + 63 = 99.
This sequence follows the pattern of starting at -1, then adding consecutive odd numbers: 2^2 = 4, 4^2 = 16, 6^2 = 36.
Therefore, the next number in the sequence would be 36 + 63 = 99.