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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.

A369027 a(n) = floor(n^2 * (n - 1)^(n - 1) / 2).

Table of values

n a(n)
0 0
1 0
2 2
3 18
4 216
5 3200
6 56250
7 1143072
8 26353376
9 679477248
10 19371024450
11 605000000000
12 20542440283992
13 753410487877632
14 29681760446040794
15 1250100767875276800
16 56050417968750000000
17 2665554518651030208512
18 134012922425586555796674

List of values

[0, 0, 2, 18, 216, 3200, 56250, 1143072, 26353376, 679477248, 19371024450, 605000000000, 20542440283992, 753410487877632, 29681760446040794, 1250100767875276800, 56050417968750000000, 2665554518651030208512, 134012922425586555796674]

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

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