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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.

A347416 a(n) = Sum_{k=1..n} floor((n/k)^n).

Table of values

n a(n)
1 1
2 5
3 31
4 276
5 3238
6 47463
7 830415
8 16845619
9 388198577
10 10009945747
11 285452668383
12 8918294580680
13 302912273410475
14 11112687415252836
15 437907284782655738
16 18447025981637731050
17 827246579683710818081
18 39346558272075085340201
19 1978423430905859200399397

List of values

[1, 5, 31, 276, 3238, 47463, 830415, 16845619, 388198577, 10009945747, 285452668383, 8918294580680, 302912273410475, 11112687415252836, 437907284782655738, 18447025981637731050, 827246579683710818081, 39346558272075085340201, 1978423430905859200399397]

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

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