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A096687
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Least k such that decimal representation of k*n contains only digits 0 and 8.
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3
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8, 4, 296, 2, 16, 148, 1144, 1, 98765432, 8, 8, 74, 616, 572, 592, 5, 5224, 49382716, 4632, 4, 3848, 4, 38296, 37, 32, 308, 326255144, 286, 303752, 296, 28648, 25, 26936, 2612, 2288, 24691358, 24, 2316, 2072, 2, 2168, 1924, 204856, 2, 197530864, 19148
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OFFSET
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1,1
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LINKS
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FORMULA
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PROG
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(Python)
....if n > 0:
........for i in range(1, 2**n):
............q, r = divmod(8*int(bin(i)[2:]), n)
............if not r:
................return q
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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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STATUS
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approved
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