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Here is a sequence of 1000 numbers generated using 3 lines of Python (78 characters). I'd ask you find the rule, or to find another rule that produces the sequence of numbers in less space.
Here are the first 1000 numbers of a sequence. What was the rule?
[0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, ...