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.

A031257 Position of n-th 3 in A031253.

Table of values

n a(n)
1 2
2 12
3 13
4 15
5 17
6 22
7 37
8 48
9 51
10 52
11 67
12 82
13 84
14 87
15 90
16 97
17 98
18 101
19 104
20 107
21 110
22 112
23 113
24 116
25 119
26 122
27 123
28 125
29 126
30 127
31 128
32 131
33 134
34 142
35 157
36 159
37 162
38 165
39 172
40 192
41 207
42 211
43 212
44 232
45 252
46 255
47 259
48 263
49 272
50 292

List of values

[2, 12, 13, 15, 17, 22, 37, 48, 51, 52, 67, 82, 84, 87, 90, 97, 98, 101, 104, 107, 110, 112, 113, 116, 119, 122, 123, 125, 126, 127, 128, 131, 134, 142, 157, 159, 162, 165, 172, 192, 207, 211, 212, 232, 252, 255, 259, 263, 272, 292]