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.

A265730 Zeroless numbers n such that the decimal expansion of a/b contains each digit of n, for all a,b > 0 such that concatenate(a,b) = n.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 11
11 16
12 17
13 27
14 47
15 52
16 57
17 78
18 87
19 117
20 131
21 151
22 157
23 158
24 161
25 171
26 177
27 187
28 191
29 247
30 257
31 277
32 417
33 447
34 457
35 487
36 517
37 547
38 557
39 558
40 587
41 592
42 717
43 747
44 757
45 787
46 817
47 857
48 887
49 1131
50 1147
51 1151
52 1157
53 1161
54 1167
55 1171
56 1177
57 1181
58 1191
59 1221
60 1247
61 1251
62 1257
63 1261
64 1287
65 1331
66 1361
67 1371
68 1417

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 16, 17, 27, 47, 52, 57, 78, 87, 117, 131, 151, 157, 158, 161, 171, 177, 187, 191, 247, 257, 277, 417, 447, 457, 487, 517, 547, 557, 558, 587, 592, 717, 747, 757, 787, 817, 857, 887, 1131, 1147, 1151, 1157, 1161, 1167, 1171, 1177, 1181, 1191, 1221, 1247, 1251, 1257, 1261, 1287, 1331, 1361, 1371, 1417]