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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.

A354897 a(n) = n! * Sum_{d|n} d^n / (d! * (n/d)!).

Table of values

n a(n)
1 1
2 5
3 28
4 353
5 3126
6 94237
7 823544
8 72042497
9 585825130
10 157671732881
11 285311670612
12 790577855833537
13 302875106592254
14 5876819345289651137
15 55890419425648520176
16 73205730667453550166017
17 827240261886336764178
18 1474631675630757976051079425

List of values

[1, 5, 28, 353, 3126, 94237, 823544, 72042497, 585825130, 157671732881, 285311670612, 790577855833537, 302875106592254, 5876819345289651137, 55890419425648520176, 73205730667453550166017, 827240261886336764178, 1474631675630757976051079425]

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

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