It appears that the pattern is a) square the number b) add 2 c) subtract 1.
This suggests the next number will be 27.
Chat with our AI personalities
The next number in the series is 36. The series alternates between two patterns: the square of the index (1, 4, 9, 16, etc.) and the index itself (1, 2, 3, 4, etc.). The pattern restarts every 2 indexes.
.125
27
what number comes next 1 -8 -16 -24 -33
0.5
111221