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.

A225707 Composite squarefree numbers n such that p(i)-7 divides n+7, where p(i) are the prime factors of n.

Table of values

n a(n)
1 33
2 65
3 165
4 209
5 345
6 713
7 1353
8 2717
9 2945
10 4433
11 4745
12 6149
13 7733
14 9785
15 11297
16 16985
17 21593
18 25265
19 26273
20 28545
21 32357
22 35673
23 47945
24 49913
25 55913
26 61013
27 69113
28 69513
29 88913
30 95465
31 106913
32 116513
33 119009
34 121785
35 133433
36 159185
37 167765
38 201773

List of values

[33, 65, 165, 209, 345, 713, 1353, 2717, 2945, 4433, 4745, 6149, 7733, 9785, 11297, 16985, 21593, 25265, 26273, 28545, 32357, 35673, 47945, 49913, 55913, 61013, 69113, 69513, 88913, 95465, 106913, 116513, 119009, 121785, 133433, 159185, 167765, 201773]

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

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