2 0, = 1. 2 1, = 2. 2 2, = 4. 2 3, = 8. 2 4, = 16. 2 5, = 32. 2 6, = 64. 2 7, = 128. 2 8, = 256. 2 9, = 512. 2 10, = 1024. 2 11, = 2048. 2 12, = 4096.
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