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.

A031320 Position of n-th 7 in A031312.

Table of values

n a(n)
1 4
2 13
3 23
4 33
5 43
6 53
7 63
8 66
9 68
10 70
11 72
12 73
13 74
14 83
15 93
16 107
17 122
18 137
19 152
20 167
21 182
22 197
23 202
24 205
25 208
26 211
27 212
28 214
29 227
30 242
31 257
32 272
33 287
34 302
35 317
36 332
37 347
38 352
39 355
40 358
41 361
42 362
43 364
44 377
45 392
46 407
47 422
48 437
49 452

List of values

[4, 13, 23, 33, 43, 53, 63, 66, 68, 70, 72, 73, 74, 83, 93, 107, 122, 137, 152, 167, 182, 197, 202, 205, 208, 211, 212, 214, 227, 242, 257, 272, 287, 302, 317, 332, 347, 352, 355, 358, 361, 362, 364, 377, 392, 407, 422, 437, 452]