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.

A062649 Composite numbers with property that every divisor contains the digit 1.

Table of values

n a(n)
1 121
2 143
3 169
4 187
5 221
6 341
7 361
8 451
9 671
10 781
11 961
12 1037
13 1111
14 1133
15 1159
16 1177
17 1199
18 1207
19 1243
20 1271
21 1313
22 1331
23 1339
24 1349
25 1391
26 1397
27 1417
28 1441
29 1469
30 1507
31 1529
32 1573
33 1639
34 1651
35 1661
36 1681
37 1703
38 1717
39 1727
40 1751
41 1781
42 1793
43 1807
44 1819

List of values

[121, 143, 169, 187, 221, 341, 361, 451, 671, 781, 961, 1037, 1111, 1133, 1159, 1177, 1199, 1207, 1243, 1271, 1313, 1331, 1339, 1349, 1391, 1397, 1417, 1441, 1469, 1507, 1529, 1573, 1639, 1651, 1661, 1681, 1703, 1717, 1727, 1751, 1781, 1793, 1807, 1819]

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

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