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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.

A295182 a(n) = n! * [x^n] exp(-n*x)/(1 - x)^n.

Table of values

n a(n)
0 1
1 0
2 2
3 6
4 72
5 620
6 8640
7 122346
8 2156672
9 41367672
10 905126400
11 21646532270
12 570077595648
13 16268377195044
14 502096929431552
15 16629319748711250
16 588938142209310720
17 22196966267762213744
18 887352465220427317248
19 37496112562144553167062
20 1670071417348195942400000
21 78195398849926292810318940

List of values

[1, 0, 2, 6, 72, 620, 8640, 122346, 2156672, 41367672, 905126400, 21646532270, 570077595648, 16268377195044, 502096929431552, 16629319748711250, 588938142209310720, 22196966267762213744, 887352465220427317248, 37496112562144553167062, 1670071417348195942400000, 78195398849926292810318940]

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

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