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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.

A086331 Expansion of e.g.f. exp(x)/(1 + LambertW(-x)).

Table of values

n a(n)
0 1
1 2
2 7
3 43
4 393
5 4721
6 69853
7 1225757
8 24866481
9 572410513
10 14738647221
11 419682895325
12 13094075689225
13 444198818128313
14 16278315877572141
15 640854237634448101
16 26973655480577228769
17 1208724395795734172705
18 57453178877303382607717
19 2887169565412587866031533

List of values

[1, 2, 7, 43, 393, 4721, 69853, 1225757, 24866481, 572410513, 14738647221, 419682895325, 13094075689225, 444198818128313, 16278315877572141, 640854237634448101, 26973655480577228769, 1208724395795734172705, 57453178877303382607717, 2887169565412587866031533]

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

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