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.

A063172 Composite numbers which in base 9 contain their largest proper factor as a substring.

Table of values

n a(n)
1 1387
2 1849
3 2117
4 4307
5 8299
6 34547
7 35947
8 38491
9 68753
10 69679
11 84281
12 90637
13 128729
14 183097
15 185047
16 230689
17 281443
18 407837
19 423979
20 483029
21 664457
22 719399
23 904537
24 1056403
25 1121213
26 1236511
27 1247707
28 1303391
29 1308947
30 1369751

List of values

[1387, 1849, 2117, 4307, 8299, 34547, 35947, 38491, 68753, 69679, 84281, 90637, 128729, 183097, 185047, 230689, 281443, 407837, 423979, 483029, 664457, 719399, 904537, 1056403, 1121213, 1236511, 1247707, 1303391, 1308947, 1369751]