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A002230 Primes with record values of the least positive primitive root.
(Formerly M0855 N0325)
+0
6
2, 3, 7, 23, 41, 71, 191, 409, 2161, 5881, 36721, 55441, 71761, 110881, 760321, 5109721, 17551561, 29418841, 33358081, 45024841, 90441961, 184254841, 324013369, 831143041, 1685283601, 6064561441, 7111268641, 9470788801, 28725635761, 108709927561, 386681163961, 1990614824641, 44384069747161, 89637484042681 (list; graph; listen)
OFFSET

1,1

REFERENCES

R. Osborn, Tables of All Primitive Roots of Odd Primes Less Than 1000, Univ. Texas Press, 1961.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

A. E. Western and J. C. P. Miller, Tables of Indices and Primitive Roots. Royal Society Mathematical Tables, Vol. 9, Cambridge Univ. Press, 1968, p. XLIV.

LINKS

Tomas Oliveira e Silva, Least prime primitive root of prime numbers

Index entries for primes by primitive root

CROSSREFS

Cf. A002229 (for the primitive roots in question).

Records in A023048, indices in A114885.

Sequence in context: A061712 A059661 A072686 this_sequence A106865 A000057 A037231

Adjacent sequences: A002227 A002228 A002229 this_sequence A002231 A002232 A002233

KEYWORD

nonn,easy,nice

AUTHOR

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

EXTENSIONS

More terms from Scott Lindhurst (ScottL(AT)alumni.princeton.edu)

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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