A246603 -a(n) is the greatest negative primitive root that all of the first n primes share.

1, 1, 7, 37, 37, 37, 37, 1423, 10987, 13297, 219277, 219277, 669463, 2215987, 7841563, 33376753, 54444163, 112545673, 267625087, 1676296087, 2772262903, 2782012963, 4341199657, 34694683237, 39965586763, 232265913427, 1879768081657, 1879768081657

Offset

1,3

References

Don Reble, Posting to Sequence Fans Mailing List, Sep 07 2014

Links

Table of n, a(n) for n=1..28.

Crossrefs

Cf. A002199, A128895.

Sequence in context: A129737 A176544 A281994 * A043374 A038478 A043010

Adjacent sequences: A246600 A246601 A246602 * A246604 A246605 A246606

Keyword

nonn

Author

N. J. A. Sloane, Sep 09 2014

Status

approved