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.

A337290 Numbers k such that both k and k+1 are in A020899.

Table of values

n a(n)
1 1
2 2
3 12
4 19
5 20
6 27
7 30
8 31
9 40
10 43
11 44
12 48
13 49
14 61
15 64
16 65
17 69
18 70
19 77
20 78
21 88
22 95
23 98
24 99
25 103
26 104
27 111
28 112
29 124
30 125
31 135
32 142
33 143
34 150
35 153
36 154
37 158
38 159
39 166
40 167
41 179
42 180
43 190
44 197
45 200
46 201
47 211
48 218
49 219
50 226
51 229
52 230
53 239
54 242
55 243
56 247
57 248
58 255
59 256
60 268
61 269
62 279

List of values

[1, 2, 12, 19, 20, 27, 30, 31, 40, 43, 44, 48, 49, 61, 64, 65, 69, 70, 77, 78, 88, 95, 98, 99, 103, 104, 111, 112, 124, 125, 135, 142, 143, 150, 153, 154, 158, 159, 166, 167, 179, 180, 190, 197, 200, 201, 211, 218, 219, 226, 229, 230, 239, 242, 243, 247, 248, 255, 256, 268, 269, 279]

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

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