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.

A381582 Numbers k such that k and k+1 are both terms in A381581.

Table of values

n a(n)
1 1
2 2
3 3
4 20
5 21
6 27
7 44
8 55
9 56
10 57
11 75
12 95
13 110
14 111
15 115
16 152
17 175
18 207
19 264
20 287
21 291
22 304
23 305
24 344
25 364
26 365
27 377
28 380
29 395
30 398
31 399
32 404
33 425
34 435
35 455
36 534
37 584
38 605
39 815
40 846
41 847
42 864
43 888
44 930
45 987
46 992
47 1004
48 1011
49 1024
50 1025
51 1064
52 1084
53 1085
54 1145
55 1182

List of values

[1, 2, 3, 20, 21, 27, 44, 55, 56, 57, 75, 95, 110, 111, 115, 152, 175, 207, 264, 287, 291, 304, 305, 344, 364, 365, 377, 380, 395, 398, 399, 404, 425, 435, 455, 534, 584, 605, 815, 846, 847, 864, 888, 930, 987, 992, 1004, 1011, 1024, 1025, 1064, 1084, 1085, 1145, 1182]