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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.

A357143 a(n) is sum of the base-5 digits of n each raised to the number of digits of n in base 5.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 1
6 2
7 5
8 10
9 17
10 4
11 5
12 8
13 13
14 20
15 9
16 10
17 13
18 18
19 25
20 16
21 17
22 20
23 25
24 32
25 1
26 2
27 9
28 28
29 65
30 2
31 3
32 10
33 29
34 66
35 9
36 10
37 17
38 36
39 73
40 28
41 29
42 36
43 55
44 92
45 65
46 66
47 73
48 92
49 129
50 8
51 9
52 16
53 35
54 72
55 9
56 10
57 17
58 36
59 73
60 16
61 17
62 24
63 43
64 80
65 35
66 36
67 43
68 62
69 99
70 72
71 73
72 80
73 99
74 136
75 27

List of values

[1, 2, 3, 4, 1, 2, 5, 10, 17, 4, 5, 8, 13, 20, 9, 10, 13, 18, 25, 16, 17, 20, 25, 32, 1, 2, 9, 28, 65, 2, 3, 10, 29, 66, 9, 10, 17, 36, 73, 28, 29, 36, 55, 92, 65, 66, 73, 92, 129, 8, 9, 16, 35, 72, 9, 10, 17, 36, 73, 16, 17, 24, 43, 80, 35, 36, 43, 62, 99, 72, 73, 80, 99, 136, 27]

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