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.

A350301 Irregular triangle read by rows: The n-th row lists the smaller number in each "n-th power friendship", that is, numbers k such that digsum(digsum(k^n)^n) = k and digsum(k^n) > k.

Table of values

n a(n)
2 13
3 19
4 18
5 23
6 31
7 38
8 44
9 46
10 56
11 64
12 35
13 109
14 52
15 112
16 118
17 127
18 97
19 108
20 144
21 88
22 144
23 139
24 152
25 153
26 154
27 173
28 178
29 189
30 172
31 199
32 203
33 187
34 234
35 127
36 188
37 148
38 238
39 115
40 229
41 238
42 239
43 245
44 234
45 244
46 245
47 283
48 252
49 283
50 161
51 271
52 288
53 163
54 259
55 295
56 316

List of values

[13, 19, 18, 23, 31, 38, 44, 46, 56, 64, 35, 109, 52, 112, 118, 127, 97, 108, 144, 88, 144, 139, 152, 153, 154, 173, 178, 189, 172, 199, 203, 187, 234, 127, 188, 148, 238, 115, 229, 238, 239, 245, 234, 244, 245, 283, 252, 283, 161, 271, 288, 163, 259, 295, 316]