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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.

A354479 a(n) is the denominator of Sum_{k=1..n} 1 / Stirling1(n,k).

Table of values

n a(n)
1 1
2 1
3 6
4 33
5 4200
6 4192200
7 5115600
8 545250747888
9 10086416728304192640
10 126556188275836361347200
11 451535899566923284351392000
12 250606479905655959999200124455664175360
13 1493469115548888160803495265626573200563200
14 47083781674990641531154175811928872812783834939059200

List of values

[1, 1, 6, 33, 4200, 4192200, 5115600, 545250747888, 10086416728304192640, 126556188275836361347200, 451535899566923284351392000, 250606479905655959999200124455664175360, 1493469115548888160803495265626573200563200, 47083781674990641531154175811928872812783834939059200]

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

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