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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.

A377831 Expansion of e.g.f. (1/x) * Series_Reversion( x * (1 - x) * exp(-x) ).

Table of values

n a(n)
0 1
1 2
2 13
3 154
4 2701
5 63216
6 1856569
7 65711024
8 2724349401
9 129552751360
10 6952877604421
11 415770771875328
12 27416031835737637
13 1976460653044957184
14 154658036515292528625
15 13055394531339601033216
16 1182611605875201470044081
17 114426900236922150187892736

List of values

[1, 2, 13, 154, 2701, 63216, 1856569, 65711024, 2724349401, 129552751360, 6952877604421, 415770771875328, 27416031835737637, 1976460653044957184, 154658036515292528625, 13055394531339601033216, 1182611605875201470044081, 114426900236922150187892736]

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

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