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A078250
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a(1) = 1, a(n) = smallest multiple of n using prime digits if n is composite else smallest multiple of n using composite digits; a(10k) = 0.
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0
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1, 4, 6, 32, 40, 72, 49, 32, 27, 0, 44, 72, 408, 252, 75, 32, 68, 72, 494, 0, 252, 22, 46, 72, 25, 52, 27, 252
(list; graph; refs; listen; history; internal format)
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