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.

A225719 Composite squarefree numbers n such that p(i)+9 divides n-9, where p(i) are the prime factors of n.

Table of values

n a(n)
1 2193
2 3705
3 9889
4 12749
5 23529
6 116265
7 283929
8 514569
9 641769
10 661789
11 772809
12 950609
13 1144313
14 1241561
15 1452009
16 1708233
17 1797609
18 1878569
19 2244901
20 2255689
21 2675409
22 2792937
23 3426089
24 4021369
25 4187465
26 5242569
27 7327329
28 7942209
29 8601329
30 8668921
31 9608729

List of values

[2193, 3705, 9889, 12749, 23529, 116265, 283929, 514569, 641769, 661789, 772809, 950609, 1144313, 1241561, 1452009, 1708233, 1797609, 1878569, 2244901, 2255689, 2675409, 2792937, 3426089, 4021369, 4187465, 5242569, 7327329, 7942209, 8601329, 8668921, 9608729]

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

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