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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.

A355887 a(n) = Sum_{k=1..n} k^k * floor(n/k).

Table of values

n a(n)
1 1
2 6
3 34
4 295
5 3421
6 50109
7 873653
8 17651130
9 405071647
10 10405074777
11 295716745389
12 9211817240589
13 312086923832843
14 11424093750214407
15 449317984131076935
16 18896062057857406028
17 846136323944194170206
18 40192544399241119212807

List of values

[1, 6, 34, 295, 3421, 50109, 873653, 17651130, 405071647, 10405074777, 295716745389, 9211817240589, 312086923832843, 11424093750214407, 449317984131076935, 18896062057857406028, 846136323944194170206, 40192544399241119212807]

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

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