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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.

A373871 a(n) = Sum_{k=1..n} k! * k^(n-3) * Stirling2(n,k).

Table of values

n a(n)
0 0
1 1
2 2
3 13
4 233
5 8311
6 495437
7 44495263
8 5619239453
9 949995402271
10 207228784973597
11 56681221280785663
12 19000392210559326173
13 7661410911700580500831
14 3658694812581483750630557
15 2042247041839449013948374463
16 1317554928647608644852032652893

List of values

[0, 1, 2, 13, 233, 8311, 495437, 44495263, 5619239453, 949995402271, 207228784973597, 56681221280785663, 19000392210559326173, 7661410911700580500831, 3658694812581483750630557, 2042247041839449013948374463, 1317554928647608644852032652893]

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

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