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A083528
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a(n) = 5^n mod 2*n.
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6
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1, 1, 5, 1, 5, 1, 5, 1, 17, 5, 5, 1, 5, 25, 5, 1, 5, 1, 5, 25, 41, 25, 5, 1, 25, 25, 53, 9, 5, 25, 5, 1, 59, 25, 45, 1, 5, 25, 47, 65, 5, 1, 5, 9, 35, 25, 5, 1, 19, 25, 23, 1, 5, 1, 45, 81, 11, 25, 5, 25, 5, 25, 125, 1, 5, 49, 5, 81, 125, 65, 5, 1, 5, 25, 125, 17, 3, 25, 5, 65, 161, 25, 5, 1, 65
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OFFSET
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1,3
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COMMENTS
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LINKS
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EXAMPLE
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a(3) = 5 because 5^3 = 125 and 125 == 5 mod (2 * 3).
a(4) = 1 because 5^4 = 625 and 625 == 1 mod (2 * 4).
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MAPLE
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MATHEMATICA
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Table[PowerMod[5, w, 2w], {w, 1, 100}]
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PROG
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(PARI) vector(100, n, lift(Mod(5, 2*n)^n)) \\ Michel Marcus, Dec 29 2014
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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