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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.

A305307 Expansion of e.g.f. 1/(1 - log(1 + x)/(1 - x)).

Table of values

n a(n)
0 1
1 1
2 3
3 17
4 120
5 1084
6 11642
7 146446
8 2101656
9 33958344
10 609431232
11 12033015840
12 259163792016
13 6047213451408
14 151953760489008
15 4091057804809104
16 117485988199385088
17 3584814699783432960
18 115816462543697120640
19 3949619921174717629056
20 141780511159572486530304
21 5344008726418981985707776

List of values

[1, 1, 3, 17, 120, 1084, 11642, 146446, 2101656, 33958344, 609431232, 12033015840, 259163792016, 6047213451408, 151953760489008, 4091057804809104, 117485988199385088, 3584814699783432960, 115816462543697120640, 3949619921174717629056, 141780511159572486530304, 5344008726418981985707776]

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

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