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.

A031012 Position of n-th 4 in A031007.

Table of values

n a(n)
1 4
2 15
3 29
4 43
5 50
6 52
7 54
8 56
9 57
10 58
11 60
12 62
13 71
14 85
15 103
16 124
17 145
18 166
19 176
20 179
21 182
22 185
23 187
24 188
25 191
26 194
27 208
28 229
29 250
30 271
31 292
32 313
33 323
34 326
35 329
36 332
37 334
38 335
39 338
40 341
41 355
42 376
43 397
44 418
45 439
46 460
47 470
48 473
49 476

List of values

[4, 15, 29, 43, 50, 52, 54, 56, 57, 58, 60, 62, 71, 85, 103, 124, 145, 166, 176, 179, 182, 185, 187, 188, 191, 194, 208, 229, 250, 271, 292, 313, 323, 326, 329, 332, 334, 335, 338, 341, 355, 376, 397, 418, 439, 460, 470, 473, 476]