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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.

A356579 Expansion of e.g.f. ( Product_{k>0} 1/(1 - x^k/k!) )^x.

Table of values

n a(n)
0 1
1 0
2 2
3 6
4 24
5 170
6 990
7 8267
8 67928
9 661698
10 6923010
11 78997457
12 983728812
13 13101433501
14 187893745130
15 2869108871085
16 46643882262448
17 803224515183482
18 14618310020427402
19 280340253237270977
20 5651276469430635620
21 119483759770082806035
22 2644015844432596590946

List of values

[1, 0, 2, 6, 24, 170, 990, 8267, 67928, 661698, 6923010, 78997457, 983728812, 13101433501, 187893745130, 2869108871085, 46643882262448, 803224515183482, 14618310020427402, 280340253237270977, 5651276469430635620, 119483759770082806035, 2644015844432596590946]

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

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