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.

A280733 Numbers whose digit string can be partitioned into three nonempty parts a < b <= c such that a*b = c.

Table of values

n a(n)
1 122
2 133
3 144
4 155
5 166
6 177
7 188
8 199
9 236
10 248
11 2510
12 2612
13 2714
14 2816
15 2918
16 3412
17 3515
18 3618
19 3721
20 3824
21 3927
22 4520
23 4624
24 4728
25 4832
26 4936
27 5630
28 5735
29 5840
30 5945
31 6742
32 6848
33 6954
34 7856
35 7963
36 8972
37 11010
38 11111
39 11212
40 11313
41 11414
42 11515
43 11616
44 11717

List of values

[122, 133, 144, 155, 166, 177, 188, 199, 236, 248, 2510, 2612, 2714, 2816, 2918, 3412, 3515, 3618, 3721, 3824, 3927, 4520, 4624, 4728, 4832, 4936, 5630, 5735, 5840, 5945, 6742, 6848, 6954, 7856, 7963, 8972, 11010, 11111, 11212, 11313, 11414, 11515, 11616, 11717]