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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.

A368561 a(n) = Sum_{k=0..n} k! * n^k.

Table of values

n a(n)
0 1
1 2
2 11
3 184
4 6565
5 390806
6 34557919
7 4237440628
8 687219772553
9 142347286888210
10 36654963132246211
11 11483715014356017104
12 4300711472638444724653
13 1897241450053063830832078
14 973695564434830963964311655

List of values

[1, 2, 11, 184, 6565, 390806, 34557919, 4237440628, 687219772553, 142347286888210, 36654963132246211, 11483715014356017104, 4300711472638444724653, 1897241450053063830832078, 973695564434830963964311655]

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

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