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.

A157678 Numbers k such that k + floor(average of digits of k) is prime.

Table of values

n a(n)
1 1
2 12
3 16
4 27
5 30
6 34
7 38
8 41
9 56
10 63
11 67
12 70
13 74
14 89
15 92
16 96
17 101
18 102
19 105
20 107
21 112
22 125
23 128
24 130
25 136
26 146
27 147
28 154
29 161
30 164
31 168
32 175
33 186
34 188
35 190
36 193
37 208
38 210
39 219
40 226
41 229
42 231
43 236
44 237
45 247
46 254
47 258
48 265
49 273
50 276
51 278
52 280
53 290
54 305
55 308
56 309

List of values

[1, 12, 16, 27, 30, 34, 38, 41, 56, 63, 67, 70, 74, 89, 92, 96, 101, 102, 105, 107, 112, 125, 128, 130, 136, 146, 147, 154, 161, 164, 168, 175, 186, 188, 190, 193, 208, 210, 219, 226, 229, 231, 236, 237, 247, 254, 258, 265, 273, 276, 278, 280, 290, 305, 308, 309]