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A027741 Number of primitive polynomials of degree n over GF(5). 6
1, 2, 4, 20, 48, 280, 720, 5580, 14976, 99360, 291200, 2219460, 5184000, 46950120, 139991040, 876960000, 2752708608, 22384531584, 55435726080, 499226178000, 1280348160000, 10957459615200, 34031246515200 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

MAPLE

with(numtheory): phi(5^n-1)/n;

CROSSREFS

Sequence in context: A108866 A059206 A052004 * A137697 A192380 A009336

Adjacent sequences:  A027738 A027739 A027740 * A027742 A027743 A027744

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 06:46 EST 2012. Contains 205867 sequences.