cp's OEIS Frontend

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.

A347146 a(n) = Sum_{d|n} (d^d)', where ' is the arithmetic derivative.

Table of values

n a(n)
1 0
2 4
3 27
4 1028
5 3125
6 233311
7 823543
8 201327620
9 2324522961
10 70000003129
11 285311670611
12 142657607406431
13 302875106592253
14 100008061430845691
15 3503151123046878152
16 590295810358906979332
17 827240261886336764177
18 826274569581229613840149
19 1978419655660313589123979

List of values

[0, 4, 27, 1028, 3125, 233311, 823543, 201327620, 2324522961, 70000003129, 285311670611, 142657607406431, 302875106592253, 100008061430845691, 3503151123046878152, 590295810358906979332, 827240261886336764177, 826274569581229613840149, 1978419655660313589123979]

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

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