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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.

A258858 Eighth pi-based arithmetic derivative of n.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 4
5 0
6 4
7 4
8 12288
9 12288
10 0
11 0
12 81920
13 4
14 208
15 512
16 622592
17 4
18 512
19 2304
20 622592
21 208
22 80
23 2304
24 52056
25 2304
26 512
27 1050624
28 114752
29 0
30 12288
31 0
32 4931584
33 2304
34 0
35 4
36 11900
37 12288
38 4
39 114752
40 11900
41 4
42 32
43 80
44 423168
45 9936
46 4
47 208
48 3679488
49 3084

List of values

[0, 0, 0, 0, 4, 0, 4, 4, 12288, 12288, 0, 0, 81920, 4, 208, 512, 622592, 4, 512, 2304, 622592, 208, 80, 2304, 52056, 2304, 512, 1050624, 114752, 0, 12288, 0, 4931584, 2304, 0, 4, 11900, 12288, 4, 114752, 11900, 4, 32, 80, 423168, 9936, 4, 208, 3679488, 3084]

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

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