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.

A216664 Odd numbers n such that the decimal expansion of 1/n contains the digit "9" at position (n + 1)/2.

Table of values

n a(n)
1 11
2 17
3 19
4 23
5 29
6 47
7 59
8 61
9 73
10 91
11 95
12 97
13 101
14 103
15 109
16 113
17 127
18 131
19 137
20 139
21 149
22 167
23 179
24 181
25 189
26 193
27 211
28 223
29 229
30 233
31 251
32 255
33 257
34 263
35 269
36 313
37 325
38 331
39 337
40 349
41 353
42 367
43 379
44 383
45 389
46 419
47 421
48 433
49 441
50 457
51 461
52 463
53 477
54 487
55 491

List of values

[11, 17, 19, 23, 29, 47, 59, 61, 73, 91, 95, 97, 101, 103, 109, 113, 127, 131, 137, 139, 149, 167, 179, 181, 189, 193, 211, 223, 229, 233, 251, 255, 257, 263, 269, 313, 325, 331, 337, 349, 353, 367, 379, 383, 389, 419, 421, 433, 441, 457, 461, 463, 477, 487, 491]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.