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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.

A159311 G.f. A(x) satisfies: Sum_{n>=0} n!*x^n/A(x)^n = 1/(1-x).

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 26
5 150
6 1066
7 8862
8 83506
9 874302
10 10035538
11 125082870
12 1680770250
13 24211249062
14 372151797498
15 6080329604238
16 105238649649762
17 1923853815102030
18 37047429233963170
19 749689860387252966

List of values

[1, 1, 2, 6, 26, 150, 1066, 8862, 83506, 874302, 10035538, 125082870, 1680770250, 24211249062, 372151797498, 6080329604238, 105238649649762, 1923853815102030, 37047429233963170, 749689860387252966]

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

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