A002227 Smallest prime p such that first n primes (p_1=2, ..., p_n) are 7th power residues mod p. (Formerly M5466)

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

Offset

1,1

Comments

No more terms through 10^11. - Don Reble, Oct 12 2001

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

Table of n, a(n) for n=1..10.

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-A002226, A002228.

Sequence in context: A217494 A105305 A252412 * A251217 A139066 A345557

Adjacent sequences: A002224 A002225 A002226 * A002228 A002229 A002230

Keyword

nonn,more

Author

N. J. A. Sloane

Extensions

More terms from Don Reble, Oct 12 2001

Status

approved