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A036126
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a(n) = 3^n mod 43.
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3
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1, 3, 9, 27, 38, 28, 41, 37, 25, 32, 10, 30, 4, 12, 36, 22, 23, 26, 35, 19, 14, 42, 40, 34, 16, 5, 15, 2, 6, 18, 11, 33, 13, 39, 31, 7, 21, 20, 17, 8, 24, 29, 1, 3, 9, 27, 38, 28, 41, 37, 25, 32, 10, 30, 4, 12, 36, 22, 23, 26
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OFFSET
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0,2
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REFERENCES
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I. M. Vinogradov, Elements of Number Theory, pp. 220 ff.
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,-1,1).
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FORMULA
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a(n) = a(n-1) - a(n-21) + a(n-22). - R. J. Mathar, Feb 08 2011
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MAPLE
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i := pi(43) ; [ seq(primroot(ithprime(i))^j mod ithprime(i), j=0..100) ];
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MATHEMATICA
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PadRight[{}, 120, {1, 3, 9, 27, 38, 28, 41, 37, 25, 32, 10, 30, 4, 12, 36, 22, 23, 26, 35, 19, 14, 42, 40, 34, 16, 5, 15, 2, 6, 18, 11, 33, 13, 39, 31, 7, 21, 20, 17, 8, 24, 29}] (* Harvey P. Dale, Mar 30 2019 *)
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PROG
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(Magma) [Modexp(3, n, 43): n in [0..100]]; // G. C. Greubel, Oct 18 2018
(GAP) List([0..60], n->PowerMod(3, n, 43)); # Muniru A Asiru, Oct 18 2018
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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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