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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.

A348361 a(n) = Sum_{k=1..n} k^(k'), where ' is the arithmetic derivative.

Table of values

n a(n)
1 1
2 3
3 6
4 262
5 267
6 8043
7 8050
8 68719484786
9 68720016227
10 68730016227
11 68730016238
12 184884327625052654
13 184884327625052667
14 184884348286099451
15 184884350848990076
16 340282366920938463463559491782617201532
17 340282366920938463463559491782617201549
18 340282366921167931715454621189757074317

List of values

[1, 3, 6, 262, 267, 8043, 8050, 68719484786, 68720016227, 68730016227, 68730016238, 184884327625052654, 184884327625052667, 184884348286099451, 184884350848990076, 340282366920938463463559491782617201532, 340282366920938463463559491782617201549, 340282366921167931715454621189757074317]

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

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