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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

Table of values

n a(n)
1 1
2 1
3 7
4 37
5 37
6 37
7 37
8 1423
9 10987
10 13297
11 219277
12 219277
13 669463
14 2215987
15 7841563
16 33376753
17 54444163
18 112545673
19 267625087
20 1676296087
21 2772262903
22 2782012963
23 4341199657
24 34694683237
25 39965586763
26 232265913427
27 1879768081657
28 1879768081657

List of values

[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]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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