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A216125
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a(n) = 5^n mod 1000.
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1
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1, 5, 25, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625, 125, 625
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OFFSET
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0,2
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COMMENTS
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Period = 2.
Also, continued fraction expansion of 1 + (150625 - 3*sqrt(43405))/755998. - Bruno Berselli, Sep 03 2012
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LINKS
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FORMULA
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G.f.: (1 + 5*x + 24*x^2 + 120*x^3 + 600*x^4)/((1 - x)*(1 + x)). - Bruno Berselli, Sep 03 2012
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MATHEMATICA
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PROG
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(PARI) for(i=0, 100, print(5^i%1000" "))
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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