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Search: id:A095687
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| A095687 |
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Numbers n such that n-th Pisano number = 6*n. |
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+0
1
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| 0, 10, 50, 250, 1250, 6250, 31250, 156250, 781250, 3906250, 19531250, 97656250, 488281250, 2441406250, 12207031250, 61035156250, 305175781250, 1525878906250, 7629394531250, 38146972656250, 190734863281250
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Period of Fibonacci sequence(mod m)<=6*m.
Effectively the same as A020699 and A020729 apart from the initial terms. [From Carl R. White (oeisfan(AT)phodd.net), Sep 22 2009]
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LINKS
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K. S. Brown, Periods of Fibonacci Sequences Mod m
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FORMULA
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a(0) = 0, a(1) = 10, a(n) = 5*a(n-1); a(n) = sgn(n)*2*5^n [From Carl R. White (oeisfan(AT)phodd.net), Sep 22 2009]
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CROSSREFS
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Cf. A001175.
Sequence in context: A006542 A086462 A003207 this_sequence A154410 A060156 A000450
Adjacent sequences: A095684 A095685 A095686 this_sequence A095688 A095689 A095690
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KEYWORD
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nonn
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AUTHOR
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Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 05 2004
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EXTENSIONS
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More terms from Carl R. White (oeisfan(AT)phodd.net), Sep 22 2009
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