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.

A359796 a(n) = Sum_{d|n} (2*d)^(d-1).

Table of values

n a(n)
1 1
2 5
3 37
4 517
5 10001
6 248873
7 7529537
8 268435973
9 11019960613
10 512000010005
11 26559922791425
12 1521681143418409
13 95428956661682177
14 6502111422505477189
15 478296900000000010037
16 37778931862957430145541
17 3189059870763703892770817

List of values

[1, 5, 37, 517, 10001, 248873, 7529537, 268435973, 11019960613, 512000010005, 26559922791425, 1521681143418409, 95428956661682177, 6502111422505477189, 478296900000000010037, 37778931862957430145541, 3189059870763703892770817]

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

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