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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.

A373874 a(n) = Sum_{k=1..n} k! * k^(n-2) * Stirling1(n,k).

Table of values

n a(n)
0 0
1 1
2 1
3 8
4 142
5 4534
6 229658
7 16951416
8 1718394312
9 229119947280
10 38881745126112
11 8183542269446928
12 2092128552508587360
13 638590833851037194256
14 229398149222697428624688
15 95801846241560025353728512
16 46025711723325944648182502016

List of values

[0, 1, 1, 8, 142, 4534, 229658, 16951416, 1718394312, 229119947280, 38881745126112, 8183542269446928, 2092128552508587360, 638590833851037194256, 229398149222697428624688, 95801846241560025353728512, 46025711723325944648182502016]

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

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