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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.

A379859 Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(x) * (1 - x*exp(x))^2 ).

Table of values

n a(n)
0 1
1 1
2 9
3 110
4 2121
5 53834
6 1720105
7 66197578
8 2984752113
9 154358553986
10 9009411908001
11 585917934419498
12 42018536835853369
13 3294423846094650658
14 280362373171289449209
15 25739124908062020925034
16 2535728977438902352557921
17 266836955238122741966767874
18 29872121613650590137264191665

List of values

[1, 1, 9, 110, 2121, 53834, 1720105, 66197578, 2984752113, 154358553986, 9009411908001, 585917934419498, 42018536835853369, 3294423846094650658, 280362373171289449209, 25739124908062020925034, 2535728977438902352557921, 266836955238122741966767874, 29872121613650590137264191665]

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

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