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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.

A192512 Number of ludic numbers (A003309) not greater than n.

Table of values

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

List of values

[1, 2, 3, 3, 4, 4, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19]

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