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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.

A052852 Expansion of e.g.f.: (x/(1-x))*exp(x/(1-x)).

Table of values

n a(n)
0 0
1 1
2 4
3 21
4 136
5 1045
6 9276
7 93289
8 1047376
9 12975561
10 175721140
11 2581284541
12 40864292184
13 693347907421
14 12548540320876
15 241253367679185
16 4909234733857696
17 105394372192969489
18 2380337795595885156
19 56410454014314490981
20 1399496554158060983080

List of values

[0, 1, 4, 21, 136, 1045, 9276, 93289, 1047376, 12975561, 175721140, 2581284541, 40864292184, 693347907421, 12548540320876, 241253367679185, 4909234733857696, 105394372192969489, 2380337795595885156, 56410454014314490981, 1399496554158060983080]

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

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