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A078242
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Smallest multiple of n using only digits 0 and 3.
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4
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3, 30, 3, 300, 30, 30, 3003, 3000, 333, 30, 33, 300, 3003, 30030, 30, 30000, 33303, 3330, 33003, 300, 3003, 330, 330303, 3000, 300, 30030, 333333333, 300300, 3303303, 30, 333033, 300000, 33, 333030, 30030, 33300, 333, 330030, 3003, 3000, 33333
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OFFSET
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1,1
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COMMENTS
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LINKS
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PROG
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(Haskell)
a078242 n = head [x | x <- tail a169966_list, mod x n == 0]
(Python)
....if n > 0:
........for i in range(1, 2**n):
............x = 3*int(bin(i)[2:])
............if not x % n:
................return x
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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