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.

A067827 Even numbers k such that k/2 is nonprime and sigma(k+1) > sigma(k).

Table of values

n a(n)
1 2
2 404
3 494
4 524
5 692
6 764
7 854
8 944
9 1034
10 1124
11 1394
12 1682
13 1784
14 1826
15 1844
16 2114
17 2204
18 2294
19 2414
20 2534
21 2564
22 2714
23 2774
24 2804
25 2834
26 2924
27 3002
28 3014
29 3044
30 3074
31 3266
32 3284
33 3374
34 3434
35 3464
36 3644
37 3674
38 3794
39 3842
40 3854
41 3884
42 3914
43 3926
44 4094

List of values

[2, 404, 494, 524, 692, 764, 854, 944, 1034, 1124, 1394, 1682, 1784, 1826, 1844, 2114, 2204, 2294, 2414, 2534, 2564, 2714, 2774, 2804, 2834, 2924, 3002, 3014, 3044, 3074, 3266, 3284, 3374, 3434, 3464, 3644, 3674, 3794, 3842, 3854, 3884, 3914, 3926, 4094]