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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.

A106249 Expansion of (1-x+x^2+x^3)/(1-x-x^4+x^5).

Table of values

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

List of values

[1, 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13, 12, 13, 14, 15, 14, 15, 16, 17, 16, 17, 18, 19, 18, 19, 20, 21, 20, 21, 22, 23, 22, 23, 24, 25, 24, 25, 26, 27, 26, 27, 28, 29, 28, 29, 30, 31, 30, 31, 32, 33, 32, 33, 34, 35, 34, 35, 36, 37, 36, 37, 38]

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