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A021670
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Decimal expansion of 1/666.
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0
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0, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1, 5, 0, 1
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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LINKS
| Burkard Polster, Juggling, maths and a beautiful mind
Index to sequences with linear recurrences with constant coefficients, signature (0,0,1).
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MATHEMATICA
| Join[{0, 0}, RealDigits[1/666, 10, 120][[1]]] (* or *) PadRight[{0, 0, 1}, 111, {5, 0, 1}] (* From Harvey P. Dale, Oct 17 2011 *)
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PROG
| (PARI) a(n)=if(n, [5, 0, 1][n%3+1], 0) \\ Charles R Greathouse IV, Jan 20 2012
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CROSSREFS
| Sequence in context: A117015 A174859 A054672 * A060081 A197515 A083861
Adjacent sequences: A021667 A021668 A021669 * A021671 A021672 A021673
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KEYWORD
| nonn,cons,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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