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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.

A356409 Expansion of e.g.f. ( Product_{k>0} 1/(1 - x^k/k!) )^(1/(1-x)).

Table of values

n a(n)
0 1
1 1
2 5
3 28
4 203
5 1756
6 17802
7 205010
8 2644287
9 37669096
10 586855058
11 9914829508
12 180429770402
13 3516313661706
14 73029591042943
15 1609531482261375
16 37504691293842367
17 920966310015565936
18 23764054962685200642
19 642681497080268685092
20 18174504398294667649782

List of values

[1, 1, 5, 28, 203, 1756, 17802, 205010, 2644287, 37669096, 586855058, 9914829508, 180429770402, 3516313661706, 73029591042943, 1609531482261375, 37504691293842367, 920966310015565936, 23764054962685200642, 642681497080268685092, 18174504398294667649782]

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

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