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.

A058128 a(1) = 1, a(n) = (n^n-n)/(n-1)^2 for n >= 2.

Table of values

n a(n)
1 1
2 2
3 6
4 28
5 195
6 1866
7 22876
8 342392
9 6053445
10 123456790
11 2853116706
12 73686780564
13 2103299351335
14 65751519677858
15 2234152501943160
16 81985529216486896
17 3231407272993502985
18 136146740744970718254
19 6106233505124424657790
20 290464265927977839335180

List of values

[1, 2, 6, 28, 195, 1866, 22876, 342392, 6053445, 123456790, 2853116706, 73686780564, 2103299351335, 65751519677858, 2234152501943160, 81985529216486896, 3231407272993502985, 136146740744970718254, 6106233505124424657790, 290464265927977839335180]