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A070489
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a(n) = n^3 mod 27.
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2
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0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10, 17, 0, 19, 26, 0, 1, 8, 0, 10
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OFFSET
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0,3
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LINKS
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FORMULA
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G.f.: (-x -8*x^2 -10*x^4 -17*x^5 -19*x^7 -26*x^8)/(-1 + x^9). - G. C. Greubel, Mar 30 2016
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MATHEMATICA
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PROG
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(Sage) [power_mod(n, 3, 27 ) for n in range(0, 86)] # Zerinvary Lajos, Oct 30 2009
(PARI) vector(100, n, (n-1)^3 % 27); \\ Altug Alkan, Oct 03 2015
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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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STATUS
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approved
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