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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.

A206154 a(n) = Sum_{k=0..n} binomial(n,k)^(k+2).

Table of values

n a(n)
0 1
1 2
2 10
3 110
4 2386
5 125752
6 14921404
7 3697835668
8 2223231412546
9 3088517564289836
10 9040739066816429380
11 63462297965044771663708
12 1064766030857977088480630740
13 37863276208844960432962611293828
14 3144384748384240804260912067907833280

List of values

[1, 2, 10, 110, 2386, 125752, 14921404, 3697835668, 2223231412546, 3088517564289836, 9040739066816429380, 63462297965044771663708, 1064766030857977088480630740, 37863276208844960432962611293828, 3144384748384240804260912067907833280]

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

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