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A051813
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Number of n-digit numbers with nonzero multiplicative digital root 2.
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2
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1, 15, 208, 2389, 24845, 243697, 2348885, 22837227, 226507501, 2285904554, 23239957877, 235731610792, 2372897841904, 23686630752065, 235058927877399, 2327977363798607
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