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A066438
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a(n) = 7^n mod n.
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11
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0, 1, 1, 1, 2, 1, 0, 1, 1, 9, 7, 1, 7, 7, 13, 1, 7, 1, 7, 1, 7, 5, 7, 1, 7, 23, 1, 21, 7, 19, 7, 1, 13, 15, 28, 1, 7, 11, 31, 1, 7, 7, 7, 25, 37, 3, 7, 1, 0, 49, 37, 9, 7, 1, 43, 49, 1, 49, 7, 1, 7, 49, 28, 1, 37, 37, 7, 21, 67, 49, 7, 1, 7, 49, 43, 45, 28, 25, 7, 1
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OFFSET
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1,5
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LINKS
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MAPLE
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MATHEMATICA
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Table[PowerMod[7, n, n], {n, 80} ]
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PROG
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(PARI) { for (n=1, 1000, write("b066438.txt", n, " ", 7^n % n) ) } \\ Harry J. Smith, Feb 14 2010
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CROSSREFS
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Cf. k^n mod n; A015910 (k=2), A066601 (k=3), A066602 (k=4), A066603 (k=5), A066604 (k=6), this sequence (k=7), A066439 (k=8), A066440 (k=9), A056969 (k=10), A066441 (k=11), A066442 (k=12), A116609 (k=13).
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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