1. Fibonacci I (0, 1, 2, 3, 5, 8, 13, 21) 2. Fibonacci II (0, 0.5, 1, 2, 3, 5, 8, 13, 21) 3. T-Shirt Sizes (XS, S, M, L, XL, XXL) 4. Power of Two (0, 1, 2, 4, 8, 16, 32, 64) 5. Emoji (not sure what this is supposed to be either