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.

A200768 Sum of the n-th powers of the distinct prime divisors of n.

Table of values

n a(n)
1 0
2 4
3 27
4 16
5 3125
6 793
7 823543
8 256
9 19683
10 9766649
11 285311670611
12 535537
13 302875106592253
14 678223089233
15 30531927032
16 65536
17 827240261886336764177
18 387682633
19 1978419655660313589123979
20 95367432689201
21 558545874543637210
22 81402749386839765307625

List of values

[0, 4, 27, 16, 3125, 793, 823543, 256, 19683, 9766649, 285311670611, 535537, 302875106592253, 678223089233, 30531927032, 65536, 827240261886336764177, 387682633, 1978419655660313589123979, 95367432689201, 558545874543637210, 81402749386839765307625]

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

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