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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.

A262672 Expansion of (3-x-x^3) / ((x-1)^2*(1+x+x^2+x^3)).

Table of values

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

List of values

[3, 2, 2, 1, 4, 3, 3, 2, 5, 4, 4, 3, 6, 5, 5, 4, 7, 6, 6, 5, 8, 7, 7, 6, 9, 8, 8, 7, 10, 9, 9, 8, 11, 10, 10, 9, 12, 11, 11, 10, 13, 12, 12, 11, 14, 13, 13, 12, 15, 14, 14, 13, 16, 15, 15, 14, 17, 16, 16, 15, 18, 17, 17, 16, 19, 18, 18, 17, 20, 19, 19, 18, 21]

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