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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.

A377830 Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(-x)/(1 + x)^3 ).

Table of values

n a(n)
0 1
1 4
2 45
3 886
4 25397
5 963216
6 45615553
7 2595412240
8 172624541769
9 13150155923200
10 1129371806449301
11 107987110491257856
12 11379014255782146685
13 1310277285293012678656
14 163703077517048727256425
15 22057132253723442887059456
16 3188342874266180285119069457
17 492178313447920665621400780800

List of values

[1, 4, 45, 886, 25397, 963216, 45615553, 2595412240, 172624541769, 13150155923200, 1129371806449301, 107987110491257856, 11379014255782146685, 1310277285293012678656, 163703077517048727256425, 22057132253723442887059456, 3188342874266180285119069457, 492178313447920665621400780800]

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

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