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A216126
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a(n) = 5^n mod 10000.
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0
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1, 5, 25, 125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625, 8125, 625, 3125, 5625
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OFFSET
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0,2
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COMMENTS
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Period = 4.
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LINKS
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FORMULA
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G.f.: (-8000*x^7-5600*x^6-3120*x^5-624*x^4-125*x^3-25*x^2-5*x-1)/(x^4-1). - Bruno Berselli, Sep 03 2012
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MATHEMATICA
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PowerMod[5, Range[0, 100], 10^4] (* Paolo Xausa, Feb 19 2024 *)
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CROSSREFS
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KEYWORD
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nonn,easy,less
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AUTHOR
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STATUS
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approved
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