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.

A104427 Numbers n such that n, p[n], p[n]+n, p[n]-n and p[n]*n all are 7-less.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 10
6 11
7 13
8 23
9 24
10 29
11 30
12 32
13 35
14 38
15 43
16 46
17 51
18 60
19 62
20 81
21 82
22 98
23 100
24 140
25 146
26 180
27 185
28 188
29 189
30 190
31 191
32 200
33 202
34 205
35 209
36 215
37 221
38 226
39 231
40 246
41 252
42 254
43 255
44 261
45 266
46 281
47 282
48 291
49 293
50 301
51 320
52 321
53 323
54 346
55 369
56 381
57 382
58 391

List of values

[1, 2, 3, 5, 10, 11, 13, 23, 24, 29, 30, 32, 35, 38, 43, 46, 51, 60, 62, 81, 82, 98, 100, 140, 146, 180, 185, 188, 189, 190, 191, 200, 202, 205, 209, 215, 221, 226, 231, 246, 252, 254, 255, 261, 266, 281, 282, 291, 293, 301, 320, 321, 323, 346, 369, 381, 382, 391]