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.

A056773 Composite n such that phi(n+4) = phi(n)+4.

Table of values

n a(n)
1 12
2 18
3 24
4 28
5 36
6 40
7 66
8 88
9 124
10 184
11 232
12 328
13 424
14 508
15 664
16 712
17 904
18 1048
19 1384
20 1432
21 1528
22 1864
23 1912
24 2008
25 2248
26 2344
27 2586
28 2872
29 3352
30 3448
31 3544
32 3928
33 4072
34 4744
35 5128
36 5224
37 5272
38 5464
39 5752
40 5944
41 6088
42 6472
43 7288
44 7624
45 8104
46 8152
47 8248

List of values

[12, 18, 24, 28, 36, 40, 66, 88, 124, 184, 232, 328, 424, 508, 664, 712, 904, 1048, 1384, 1432, 1528, 1864, 1912, 2008, 2248, 2344, 2586, 2872, 3352, 3448, 3544, 3928, 4072, 4744, 5128, 5224, 5272, 5464, 5752, 5944, 6088, 6472, 7288, 7624, 8104, 8152, 8248]