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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.

A052938 Expansion of (1 + 2*x - 2*x^2)/( (1+x)*(1-x)^2 ).

Table of values

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

List of values

[1, 3, 2, 4, 3, 5, 4, 6, 5, 7, 6, 8, 7, 9, 8, 10, 9, 11, 10, 12, 11, 13, 12, 14, 13, 15, 14, 16, 15, 17, 16, 18, 17, 19, 18, 20, 19, 21, 20, 22, 21, 23, 22, 24, 23, 25, 24, 26, 25, 27, 26, 28, 27, 29, 28, 30, 29, 31, 30, 32, 31, 33, 32, 34, 33, 35, 34, 36, 35, 37, 36, 38, 37, 39]

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