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.

A031258 Position of n-th 4 in A031253.

Table of values

n a(n)
1 8
2 18
3 19
4 21
5 31
6 46
7 54
8 57
9 60
10 61
11 76
12 91
13 93
14 96
15 106
16 121
17 129
18 132
19 135
20 136
21 137
22 140
23 143
24 146
25 149
26 151
27 152
28 155
29 158
30 161
31 164
32 166
33 167
34 168
35 170
36 171
37 184
38 204
39 215
40 219
41 223
42 224
43 244
44 264
45 267
46 271
47 284
48 304
49 315

List of values

[8, 18, 19, 21, 31, 46, 54, 57, 60, 61, 76, 91, 93, 96, 106, 121, 129, 132, 135, 136, 137, 140, 143, 146, 149, 151, 152, 155, 158, 161, 164, 166, 167, 168, 170, 171, 184, 204, 215, 219, 223, 224, 244, 264, 267, 271, 284, 304, 315]