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10, 16, 20, 25, 30, 32, 40, 48, 50, 60, 64, 70, 75, 80, 90, 96, 100, 110, 112, 120, 125, 128, 130, 140, 144, 150, 160, 170, 175, 176, 180, 190, 192, 200, 208, 210, 220, 224, 225, 230, 240, 250, 256, 260, 270, 272, 275, 280, 288, 290, 300, 304, 310, 320, 325, 330, 336, 340
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Numbers that do not divide a number obtained by concatenating a single digit any number of times.
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REFERENCES
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Amarnath Murthy, "On the divisors of the Smarandache Unary sequence," Smarandache Notions Journal, Volume 11, 1-2-3, Spring 2000.
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -1).
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PROG
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(Python)
print([n for n in range(2, 1000) if not n % 10 or not n % 16 or not n % 25])
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 23 2003
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EXTENSIONS
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STATUS
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approved
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