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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.

A381949 a(n) is the smallest integer k greater than 1 and not a perfect power satisfying A373387(k^n) = n.

Table of values

n a(n)
1 2
2 7
3 55
4 5
5 95
6 95
7 385
8 95
9 1535
10 1535
11 6145
12 1025
13 24575
14 24575
15 98305
16 4095
17 393215
18 393215
19 1572865
20 262145
21 6291455
22 6291455
23 25165825
24 6291455
25 100663295
26 100663295
27 402653185
28 67108865
29 1610612735
30 1610612735
31 6442450945
32 402653185
33 25769803775
34 25769803775

List of values

[2, 7, 55, 5, 95, 95, 385, 95, 1535, 1535, 6145, 1025, 24575, 24575, 98305, 4095, 393215, 393215, 1572865, 262145, 6291455, 6291455, 25165825, 6291455, 100663295, 100663295, 402653185, 67108865, 1610612735, 1610612735, 6442450945, 402653185, 25769803775, 25769803775]

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

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