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.

A164817 Positive numbers n with property that average digit of n^2 is an integer.

Table of values

n a(n)
1 1
2 2
3 3
4 8
5 12
6 15
7 18
8 21
9 24
10 27
11 30
12 41
13 58
14 59
15 68
16 85
17 95
18 113
19 122
20 145
21 152
22 157
23 158
24 166
25 176
26 179
27 184
28 190
29 193
30 194
31 212
32 221
33 238
34 251
35 256
36 257
37 266
38 274
39 275
40 283
41 284
42 292
43 311
44 313
45 330
46 339
47 345
48 354
49 360
50 369
51 375
52 381
53 387
54 399
55 402
56 405
57 417

List of values

[1, 2, 3, 8, 12, 15, 18, 21, 24, 27, 30, 41, 58, 59, 68, 85, 95, 113, 122, 145, 152, 157, 158, 166, 176, 179, 184, 190, 193, 194, 212, 221, 238, 251, 256, 257, 266, 274, 275, 283, 284, 292, 311, 313, 330, 339, 345, 354, 360, 369, 375, 381, 387, 399, 402, 405, 417]