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A056969
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a(n) = 10^n modulo n.
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11
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0, 0, 1, 0, 0, 4, 3, 0, 1, 0, 10, 4, 10, 2, 10, 0, 10, 10, 10, 0, 13, 12, 10, 16, 0, 22, 1, 4, 10, 10, 10, 0, 10, 32, 5, 28, 10, 24, 25, 0, 10, 22, 10, 12, 10, 8, 10, 16, 31, 0, 31, 16, 10, 28, 10, 16, 31, 42, 10, 40, 10, 38, 55, 0, 30, 34, 10, 4, 34, 60, 10, 64, 10, 26, 25, 44, 54, 40
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OFFSET
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1,6
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LINKS
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FORMULA
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EXAMPLE
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a(7) = 3 since 10000000 = 7*1428571+3
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MAPLE
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MATHEMATICA
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Table[PowerMod[10, n, n], {n, 80} ]
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PROG
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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), A066438 (k=7), A066439 (k=8), A066440 (k=9), this sequence (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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