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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.

A342628 a(n) = Sum_{d|n} d^(n-d).

Table of values

n a(n)
1 1
2 2
3 2
4 6
5 2
6 45
7 2
8 322
9 731
10 3383
11 2
12 132901
13 2
14 827641
15 10297068
16 33570818
17 2
18 2578617270
19 2
20 44812807567
21 678610493340
22 285312719189
23 2
24 393061010002613
25 95367431640627
26 302875123369471
27 150094917726535604
28 569939345952661545
29 2
30 105474306078445349841
31 2

List of values

[1, 2, 2, 6, 2, 45, 2, 322, 731, 3383, 2, 132901, 2, 827641, 10297068, 33570818, 2, 2578617270, 2, 44812807567, 678610493340, 285312719189, 2, 393061010002613, 95367431640627, 302875123369471, 150094917726535604, 569939345952661545, 2, 105474306078445349841, 2]

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

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