cp's OEIS Frontend

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.

A106247 Expansion of (1+2*x-x^2-2*x^3+x^4) / (1-x^2)^3.

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 4
5 6
6 7
7 8
8 11
9 10
10 16
11 12
12 22
13 14
14 29
15 16
16 37
17 18
18 46
19 20
20 56
21 22
22 67
23 24
24 79
25 26
26 92
27 28
28 106
29 30
30 121
31 32
32 137
33 34
34 154
35 36
36 172
37 38
38 191
39 40
40 211
41 42
42 232
43 44
44 254
45 46
46 277
47 48
48 301
49 50
50 326
51 52
52 352
53 54
54 379
55 56
56 407
57 58
58 436
59 60
60 466
61 62
62 497
63 64
64 529
65 66

List of values

[1, 2, 2, 4, 4, 6, 7, 8, 11, 10, 16, 12, 22, 14, 29, 16, 37, 18, 46, 20, 56, 22, 67, 24, 79, 26, 92, 28, 106, 30, 121, 32, 137, 34, 154, 36, 172, 38, 191, 40, 211, 42, 232, 44, 254, 46, 277, 48, 301, 50, 326, 52, 352, 54, 379, 56, 407, 58, 436, 60, 466, 62, 497, 64, 529, 66]