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.

A031222 Position of n-th 2 in A031219.

Table of values

n a(n)
1 2
2 10
3 15
4 17
5 19
6 20
7 21
8 23
9 30
10 40
11 53
12 68
13 76
14 79
15 82
16 83
17 85
18 88
19 98
20 113
21 120
22 123
23 126
24 128
25 129
26 132
27 135
28 138
29 141
30 143
31 144
32 147
33 150
34 151
35 153
36 154
37 156
38 157
39 158
40 159
41 160
42 162
43 163
44 165
45 168
46 171
47 173
48 174
49 177
50 180

List of values

[2, 10, 15, 17, 19, 20, 21, 23, 30, 40, 53, 68, 76, 79, 82, 83, 85, 88, 98, 113, 120, 123, 126, 128, 129, 132, 135, 138, 141, 143, 144, 147, 150, 151, 153, 154, 156, 157, 158, 159, 160, 162, 163, 165, 168, 171, 173, 174, 177, 180]