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.

A338691 Positions of (-1)'s in A209615.

Table of values

n a(n)
1 2
2 3
3 7
4 8
5 10
6 11
7 12
8 15
9 18
10 19
11 23
12 26
13 27
14 28
15 31
16 32
17 34
18 35
19 39
20 40
21 42
22 43
23 44
24 47
25 48
26 50
27 51
28 55
29 58
30 59
31 60
32 63
33 66
34 67
35 71
36 72
37 74
38 75
39 76
40 79
41 82
42 83
43 87
44 90
45 91
46 92
47 95
48 98
49 99
50 103
51 104
52 106
53 107
54 108
55 111
56 112
57 114
58 115
59 119
60 122
61 123
62 124
63 127
64 128

List of values

[2, 3, 7, 8, 10, 11, 12, 15, 18, 19, 23, 26, 27, 28, 31, 32, 34, 35, 39, 40, 42, 43, 44, 47, 48, 50, 51, 55, 58, 59, 60, 63, 66, 67, 71, 72, 74, 75, 76, 79, 82, 83, 87, 90, 91, 92, 95, 98, 99, 103, 104, 106, 107, 108, 111, 112, 114, 115, 119, 122, 123, 124, 127, 128]