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A027743
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Number of primitive polynomials of degree n over GF(7).
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8
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1, 2, 8, 36, 160, 1120, 6048, 37856, 192000, 1376352, 8512000, 59865432, 261273600, 2484333600, 15433134080, 96689376000, 520863744000, 4561057021824, 27124330415616, 199503336577688, 958110720000000, 8107845416745984, 56613417213661440, 388083262835207968
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OFFSET
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0,2
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LINKS
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MAPLE
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with(numtheory): phi(7^n-1)/n;
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PROG
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(PARI) a(n) = if(n==0, 1, eulerphi(7^n-1)/n) \\ Andrew Howroyd, Feb 01 2024
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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