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.

A280928 Composite numbers having the same digits as their prime factors (with multiplicity), including zero digits.

Table of values

n a(n)
1 1255
2 12955
3 17482
4 25105
5 100255
6 101299
7 105295
8 107329
9 117067
10 124483
11 127417
12 129595
13 132565
14 145273
15 146137
16 149782
17 163797
18 174082
19 174298
20 174793
21 174982
22 250105
23 256315
24 263155
25 295105
26 297463
27 307183
28 325615
29 371893
30 536539
31 687919
32 1002955
33 1004251
34 1012099
35 1025095
36 1029955

List of values

[1255, 12955, 17482, 25105, 100255, 101299, 105295, 107329, 117067, 124483, 127417, 129595, 132565, 145273, 146137, 149782, 163797, 174082, 174298, 174793, 174982, 250105, 256315, 263155, 295105, 297463, 307183, 325615, 371893, 536539, 687919, 1002955, 1004251, 1012099, 1025095, 1029955]

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

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