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A319166
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Number of primitive polynomials of degree n over GF(11).
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5
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4, 16, 144, 960, 12880, 62208, 1087632, 7027200, 85098816, 691398400, 10374307328, 49985372160, 1061265441600, 7064952935040, 90426613939200, 708867057254400, 11892871258806912, 65078340559220736, 1287559798913990448, 8819554320783360000, 111715065087913437696
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OFFSET
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1,1
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LINKS
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FORMULA
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a(n) = phi(11^n - 1)/n where phi is A000010.
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MATHEMATICA
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Array[EulerPhi[11^# - 1]/# &, 25] (* Paolo Xausa, Jun 17 2024 *)
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PROG
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(PARI) {a(n) = eulerphi(11^n-1)/n}
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CROSSREFS
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KEYWORD
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nonn,changed
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AUTHOR
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STATUS
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approved
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