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A086883
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Numbers n such that the decimal expansion of 1/n is nonterminating and contains arbitrarily long palindromic substrings.
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0
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3, 6, 9, 11, 12, 15, 18, 22, 24, 30, 33, 36, 44, 45, 48, 55, 60, 66, 72, 75, 88, 90, 91, 96, 99, 101, 110, 111, 120, 132, 137, 144, 150, 165, 176, 180, 182, 192, 198, 220, 225, 240, 264, 273, 275, 288, 300, 303, 330, 333, 352, 360, 364, 375, 384, 396, 440, 444
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| If n is a member, then 2n and 5n are usually also members; however, 2*101 and 5*91 are not members.
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EXAMPLE
| 91 is a member because 1/91 contains the palindromes 010,
010989010, 010989010989010, etc.
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CROSSREFS
| Sequence in context: A153238 A201462 A189302 * A154777 A094740 A047400
Adjacent sequences: A086880 A086881 A086882 * A086884 A086885 A086886
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KEYWORD
| base,nonn
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AUTHOR
| Donald S. McDonald (don.mcdonald(AT)paradise.net.nz), Aug 22 2003
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EXTENSIONS
| Edited and extended by David Wasserman (wasserma(AT)spawar.navy.mil), Jan 19 2006
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