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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.

A385741 a(n) = Sum_{k=0..n} (binomial(n, k) mod 9).

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 16
5 14
6 28
7 38
8 31
9 8
10 16
11 32
12 28
13 56
14 49
15 62
16 52
17 68
18 28
19 56
20 76
21 62
22 79
23 122
24 91
25 92
26 112
27 8
28 16
29 32
30 28
31 56
32 76
33 80
34 124
35 140
36 28
37 56
38 103
39 80
40 142
41 158
42 145
43 146
44 184
45 62
46 124
47 158
48 100
49 146
50 184
51 188
52 232
53 230
54 28
55 56
56 76
57 80
58 151
59 158
60 136
61 236

List of values

[1, 2, 4, 8, 16, 14, 28, 38, 31, 8, 16, 32, 28, 56, 49, 62, 52, 68, 28, 56, 76, 62, 79, 122, 91, 92, 112, 8, 16, 32, 28, 56, 76, 80, 124, 140, 28, 56, 103, 80, 142, 158, 145, 146, 184, 62, 124, 158, 100, 146, 184, 188, 232, 230, 28, 56, 76, 80, 151, 158, 136, 236]