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.

A280771 Positions of even terms in A280864.

Table of values

n a(n)
1 2
2 3
3 5
4 6
5 8
6 9
7 12
8 13
9 15
10 16
11 18
12 19
13 21
14 22
15 25
16 26
17 29
18 30
19 32
20 33
21 37
22 38
23 40
24 41
25 45
26 46
27 50
28 51
29 53
30 54
31 56
32 57
33 60
34 61
35 64
36 65
37 67
38 68
39 71
40 72
41 75
42 76
43 78
44 79
45 81
46 82
47 84
48 85
49 88
50 89
51 92
52 93
53 96
54 97
55 99
56 100
57 102
58 103
59 105
60 106
61 109
62 110
63 112
64 113
65 116
66 117
67 122
68 123
69 126
70 127
71 129
72 130
73 133

List of values

[2, 3, 5, 6, 8, 9, 12, 13, 15, 16, 18, 19, 21, 22, 25, 26, 29, 30, 32, 33, 37, 38, 40, 41, 45, 46, 50, 51, 53, 54, 56, 57, 60, 61, 64, 65, 67, 68, 71, 72, 75, 76, 78, 79, 81, 82, 84, 85, 88, 89, 92, 93, 96, 97, 99, 100, 102, 103, 105, 106, 109, 110, 112, 113, 116, 117, 122, 123, 126, 127, 129, 130, 133]