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Oh, I see. It's about creating the set of numbers that do end up at 1 by starting at 1 and applying the operations in reverse order. That is neat. They should h
by cyborgx7 7y ago
Oh, I see. It's about creating the set of numbers that do end up at 1 by starting at 1 and applying the operations in reverse order. That is neat. They should have explained that in the article.