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.

A245385 Numbers N such that N = P//Q = R//S, where // is the concatenation function, satisfying the following properties: P and S are m-digit integers, Q and R are k-digit integers, k and m are distinct positive integers, and P*Q = R*S.

Table of values

n a(n)
1 111
2 164
3 195
4 222
5 265
6 333
7 444
8 498
9 555
10 666
11 777
12 888
13 999
14 1111
15 1664
16 1995
17 2222
18 2665
19 3333
20 4444
21 4847
22 4998
23 5555
24 6545
25 6666
26 7424
27 7777
28 8888
29 9999
30 11111
31 16664
32 19995
33 21775
34 22222
35 24996
36 26665
37 33333
38 43243
39 44444
40 49998
41 55555
42 66666
43 77777
44 86486
45 88888
46 99999

List of values

[111, 164, 195, 222, 265, 333, 444, 498, 555, 666, 777, 888, 999, 1111, 1664, 1995, 2222, 2665, 3333, 4444, 4847, 4998, 5555, 6545, 6666, 7424, 7777, 8888, 9999, 11111, 16664, 19995, 21775, 22222, 24996, 26665, 33333, 43243, 44444, 49998, 55555, 66666, 77777, 86486, 88888, 99999]