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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.

A127843 a(1) = 1, a(2) = ... = a(9) = 0, a(n) = a(n-9)+a(n-8) for n>9.

Table of values

n a(n)
1 1
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 1
11 0
12 0
13 0
14 0
15 0
16 0
17 0
18 1
19 1
20 0
21 0
22 0
23 0
24 0
25 0
26 1
27 2
28 1
29 0
30 0
31 0
32 0
33 0
34 1
35 3
36 3
37 1
38 0
39 0
40 0
41 0
42 1
43 4
44 6
45 4
46 1
47 0
48 0
49 0
50 1
51 5
52 10
53 10
54 5
55 1
56 0
57 0
58 1
59 6
60 15
61 20
62 15
63 6
64 1
65 0
66 1
67 7
68 21
69 35
70 35
71 21
72 7
73 1
74 1
75 8
76 28
77 56
78 70
79 56
80 28
81 8
82 2
83 9

List of values

[1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0, 0, 1, 3, 3, 1, 0, 0, 0, 0, 1, 4, 6, 4, 1, 0, 0, 0, 1, 5, 10, 10, 5, 1, 0, 0, 1, 6, 15, 20, 15, 6, 1, 0, 1, 7, 21, 35, 35, 21, 7, 1, 1, 8, 28, 56, 70, 56, 28, 8, 2, 9]

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