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.

A056774 Composite n such that phi(n+2) = phi(n)+2.

Table of values

n a(n)
1 6
2 12
3 14
4 18
5 20
6 44
7 62
8 92
9 116
10 164
11 212
12 254
13 332
14 356
15 452
16 524
17 692
18 716
19 764
20 932
21 956
22 1004
23 1124
24 1172
25 1436
26 1676
27 1724
28 1772
29 1964
30 2036
31 2372
32 2564
33 2612
34 2636
35 2732
36 2876
37 2972
38 3044
39 3236
40 3644
41 3812
42 4052
43 4076
44 4124
45 4196
46 4412
47 4892

List of values

[6, 12, 14, 18, 20, 44, 62, 92, 116, 164, 212, 254, 332, 356, 452, 524, 692, 716, 764, 932, 956, 1004, 1124, 1172, 1436, 1676, 1724, 1772, 1964, 2036, 2372, 2564, 2612, 2636, 2732, 2876, 2972, 3044, 3236, 3644, 3812, 4052, 4076, 4124, 4196, 4412, 4892]

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

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