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.

A349785 a(n) = 1 + Product_{k=1..n-1} a(gcd(n,k)).

Table of values

n a(n)
1 2
2 3
3 5
4 13
5 17
6 181
7 65
8 1873
9 1601
10 22033
11 1025
12 110120401
13 4097
14 3032641
15 46240001
16 6563711233
17 65537
18 61178101070401
19 262145
20 3771115818193153
21 270400000001
22 61977830401
23 4194305
24 27719934186822773256934560001
25 87578116097
26 8918277230593
27 10498871296000001

List of values

[2, 3, 5, 13, 17, 181, 65, 1873, 1601, 22033, 1025, 110120401, 4097, 3032641, 46240001, 6563711233, 65537, 61178101070401, 262145, 3771115818193153, 270400000001, 61977830401, 4194305, 27719934186822773256934560001, 87578116097, 8918277230593, 10498871296000001]

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

Content is available under The OEIS End-User License Agreement.