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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.

A381107 Expansion of e.g.f. -log(1-x) * (exp(x) - 1) / (1-x).

Table of values

n a(n)
0 0
1 0
2 2
3 12
4 66
5 395
6 2665
7 20307
8 173488
9 1646745
10 17216653
11 196730567
12 2440331300
13 32666847941
14 469457190501
15 7210003071247
16 117862325748960
17 2043420738374545
18 37453428525580725
19 723643767046525111
20 14700326905250293556
21 313236372986056228013
22 6985951253209713959645

List of values

[0, 0, 2, 12, 66, 395, 2665, 20307, 173488, 1646745, 17216653, 196730567, 2440331300, 32666847941, 469457190501, 7210003071247, 117862325748960, 2043420738374545, 37453428525580725, 723643767046525111, 14700326905250293556, 313236372986056228013, 6985951253209713959645]

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

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