A002227 Smallest prime p such that first n primes (p_1=2, ..., p_n) are 7th power residues mod p.

631, 5531, 72661, 865957, 2375059, 32353609, 175175603, 945552637, 945552637, 54144188771, 688203780167, 2701344818803

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• more

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

Cf. A002223, A002224, A002225, A002226, A002228.

Extensions

More terms from Don Reble, Oct 12 2001

a(11)-a(12) from Sergey Paramonov, Apr 12 2024