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.

A053753 Positions of 9's in the decimal expansion of Pi.

Table of values

n a(n)
1 6
2 13
3 15
4 31
5 39
6 43
7 45
8 46
9 56
10 59
11 63
12 80
13 81
14 101
15 123
16 130
17 145
18 170
19 181
20 188
21 191
22 194
23 200
24 209
25 215
26 248
27 250
28 260
29 285
30 295
31 329
32 332
33 337
34 342
35 354
36 357
37 389
38 392
39 400
40 415
41 417
42 419
43 423
44 434
45 441
46 460
47 461
48 466
49 483
50 488
51 497
52 499
53 502
54 528
55 530
56 534
57 543
58 550

List of values

[6, 13, 15, 31, 39, 43, 45, 46, 56, 59, 63, 80, 81, 101, 123, 130, 145, 170, 181, 188, 191, 194, 200, 209, 215, 248, 250, 260, 285, 295, 329, 332, 337, 342, 354, 357, 389, 392, 400, 415, 417, 419, 423, 434, 441, 460, 461, 466, 483, 488, 497, 499, 502, 528, 530, 534, 543, 550]