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A002227
Smallest prime p such that first n primes (p_1=2, ..., p_n) are 7th power residues mod p.
(Formerly M5466)
4
631, 5531, 72661, 865957, 2375059, 32353609, 175175603, 945552637, 945552637, 54144188771, 688203780167, 2701344818803
OFFSET
1,1
COMMENTS
a(13) > 2^42. - Sergey Paramonov, Apr 12 2024
REFERENCES
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. XXIII.
LINKS
A. E. Western and J. C. P. Miller, Tables of Indices and Primitive Roots, Royal Society Mathematical Tables, Vol. 9, Cambridge Univ. Press, 1968 [Annotated scans of selected pages]
CROSSREFS
KEYWORD
nonn,more
EXTENSIONS
More terms from Don Reble, Oct 12 2001
a(11)-a(12) from Sergey Paramonov, Apr 12 2024
STATUS
approved