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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.

A184731 a(n) = Sum_{k=0..n} C(n,k)^(k+1).

Table of values

n a(n)
0 1
1 2
2 6
3 38
4 490
5 14152
6 969444
7 140621476
8 46041241698
9 36363843928316
10 62022250535177416
11 236043875222171125276
12 2205302277098968939256248
13 45728754995013679582534494332
14 2070631745797418828103776968679204

List of values

[1, 2, 6, 38, 490, 14152, 969444, 140621476, 46041241698, 36363843928316, 62022250535177416, 236043875222171125276, 2205302277098968939256248, 45728754995013679582534494332, 2070631745797418828103776968679204]

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

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