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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.

A380918 Expansion of e.g.f. (1/x) * Series_Reversion( x * (1 - x) * exp(-2*x/(1 - x)) ).

Table of values

n a(n)
0 1
1 3
2 32
3 626
4 18144
5 701712
6 34047712
7 1990612752
8 136308561408
9 10704617527040
10 948670854933504
11 93670162457937408
12 10198210374637791232
13 1213835371265476399104
14 156812263847161339392000
15 21853442119644273456908288
16 3268006232205247017382182912
17 521999475213929172983534518272

List of values

[1, 3, 32, 626, 18144, 701712, 34047712, 1990612752, 136308561408, 10704617527040, 948670854933504, 93670162457937408, 10198210374637791232, 1213835371265476399104, 156812263847161339392000, 21853442119644273456908288, 3268006232205247017382182912, 521999475213929172983534518272]

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

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