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A095687
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Numbers n such that n-th Pisano number = 6*n.
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0
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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
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OFFSET
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1,2
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COMMENTS
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Period of Fibonacci sequence(mod m)<=6*m.
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LINKS
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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, Sep 22 2009]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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