cp's OEIS Frontend

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.

A126017 Smallest prime of the form k^n + k^(n-1) - 1.

Table of values

n a(n)
1 2
2 5
3 11
4 23
5 47
6 971
7 191
8 383
9 22136835839
10 1310719
11 2259801991
12 6143
13 353563778431304822783
14 91424858111
15 5425784582791
16 57395627
17 21474836479
18 1099999999999999999
19 786431
20 13508517176729920889
21 1818426107493966837974532393806148403199
22 153558654482644991

List of values

[2, 5, 11, 23, 47, 971, 191, 383, 22136835839, 1310719, 2259801991, 6143, 353563778431304822783, 91424858111, 5425784582791, 57395627, 21474836479, 1099999999999999999, 786431, 13508517176729920889, 1818426107493966837974532393806148403199, 153558654482644991]

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

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