What is your next number in this sequence: 300, 301, 201, 210, 146,?
The differences are: 1,-100,9,-64,25,-36. Which are 1^2, -10^2, 3^2. -8^2, 5^2. -6^2. This differences are 2 sequences: (A): 1^2, 3^2, 5^2, (the next one is 7^2). (B): -10^2, -8^2, -6^2. So the differences are 1, -100, 9, -64, 25, -36, 49. Back to: 300, 301, 201, 210, 146, 171, 135, 184.