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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.

A374562 Defined by: Sum_{i=1..n} a(i) / n^i = 1, n >= 1.

Table of values

n a(n)
1 1
2 2
3 12
4 112
5 1390
6 21324
7 387674
8 8126000
9 192616470
10 5089321300
11 148225991386
12 4716320842248
13 162745503111542
14 6053000082586940
15 241386577491939450
16 10274734610562571360
17 464969951693639429398
18 22292508702711459409956
19 1128813253960656111451418
20 60200897135221442194205240

List of values

[1, 2, 12, 112, 1390, 21324, 387674, 8126000, 192616470, 5089321300, 148225991386, 4716320842248, 162745503111542, 6053000082586940, 241386577491939450, 10274734610562571360, 464969951693639429398, 22292508702711459409956, 1128813253960656111451418, 60200897135221442194205240]

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

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