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.

A257172 Consider numbers n = concat(w,x,y,z) such that w*x*y*z | n. Leading zeros in x, y and z allowed. Sequence lists numbers that admit at least two such concatenations.

Table of values

n a(n)
1 11424
2 13248
3 14112
4 16128
5 16632
6 17136
7 18144
8 41328
9 91728
10 101112
11 102144
12 102816
13 104832
14 106272
15 111012
16 111375
17 112288
18 112896
19 114048
20 114240
21 114912
22 116160
23 116928
24 123120
25 132480
26 140112
27 141120
28 161280
29 166320
30 171171
31 171360
32 181440
33 203112
34 204288
35 204336
36 220416
37 231012
38 233772
39 239616

List of values

[11424, 13248, 14112, 16128, 16632, 17136, 18144, 41328, 91728, 101112, 102144, 102816, 104832, 106272, 111012, 111375, 112288, 112896, 114048, 114240, 114912, 116160, 116928, 123120, 132480, 140112, 141120, 161280, 166320, 171171, 171360, 181440, 203112, 204288, 204336, 220416, 231012, 233772, 239616]