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A100799
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a(1) = 1, a(2) = 2, a(n) = product of nonzero digits of previous two terms.
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0
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1, 2, 2, 4, 8, 32, 48, 192, 576, 3780, 35280, 40320, 5760, 5040, 4200, 160, 48, 192, 576, 3780, 35280, 40320, 5760, 5040, 4200, 160, 48, 192, 576, 3780, 35280, 40320, 5760, 5040, 4200, 160, 48, 192, 576, 3780, 35280, 40320, 5760, 5040, 4200, 160, 48
(list; graph; refs; listen; history; internal format)
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