9Â Â Â Â Â Â Â Â Â Â Â Â Â 17Â Â Â Â Â Â Â Â Â Â 53Â Â Â Â Â Â Â Â Â Â 103Â Â Â Â Â Â Â Â 310Â Â Â Â Â Â Â Â 619
9 × 2 – 1 = 17 17 × 3 + 1 = 52 52 × 2 – 1 = 103 103 × 3 + 1 = 310 310 × 2 – 1 = 619
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