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.

A193532 G.f.: x = Sum_{n>=1} x^n * ((1+x)^(n+1) - x^(n+1)) / (1+x)^a(n).

Table of values

n a(n)
1 3
2 4
3 8
4 9
5 11
6 12
7 17
8 18
9 20
10 21
11 24
12 25
13 27
14 28
15 34
16 35
17 37
18 38
19 41
20 42
21 44
22 45
23 49
24 50
25 52
26 53
27 56
28 57
29 59
30 60
31 67
32 68
33 70
34 71
35 74
36 75
37 77
38 78
39 82
40 83
41 85
42 86
43 89
44 90
45 92
46 93
47 98
48 99
49 101
50 102
51 105
52 106
53 108
54 109
55 113
56 114
57 116
58 117
59 120
60 121
61 123
62 124
63 132
64 133
65 135
66 136
67 139
68 140
69 142
70 143
71 147
72 148
73 150
74 151
75 154
76 155
77 157
78 158
79 163
80 164
81 166
82 167
83 170

List of values

[3, 4, 8, 9, 11, 12, 17, 18, 20, 21, 24, 25, 27, 28, 34, 35, 37, 38, 41, 42, 44, 45, 49, 50, 52, 53, 56, 57, 59, 60, 67, 68, 70, 71, 74, 75, 77, 78, 82, 83, 85, 86, 89, 90, 92, 93, 98, 99, 101, 102, 105, 106, 108, 109, 113, 114, 116, 117, 120, 121, 123, 124, 132, 133, 135, 136, 139, 140, 142, 143, 147, 148, 150, 151, 154, 155, 157, 158, 163, 164, 166, 167, 170]