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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.

A321189 a(n) = n! * [x^n] 1 - 1/(n - 1/(exp(x) - 1)).

Table of values

n a(n)
0 1
1 1
2 5
3 73
4 2169
5 108901
6 8288293
7 890380177
8 128364028145
9 23918924529901
10 5595490598128221
11 1605718043992482553
12 554663179293965398825
13 227038711419826844827381
14 108674023653792712066606229
15 60142879347501714200454327841
16 38108071228342727619600464659425

List of values

[1, 1, 5, 73, 2169, 108901, 8288293, 890380177, 128364028145, 23918924529901, 5595490598128221, 1605718043992482553, 554663179293965398825, 227038711419826844827381, 108674023653792712066606229, 60142879347501714200454327841, 38108071228342727619600464659425]

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

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