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A051814
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Number of n-digit numbers with nonzero multiplicative digital root 3.
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1
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1, 7, 40, 240, 1448, 8630, 53545, 371845, 3267453, 36428242, 442762543, 5217693527, 57321559329, 586532407659, 5666269188709, 52728701479194
(list; graph; refs; listen; history; internal format)
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