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.

A164782 Numbers k with property that average digit of k^2 is 3.

Table of values

n a(n)
1 12
2 15
3 18
4 21
5 30
6 330
7 339
8 345
9 354
10 360
11 369
12 375
13 381
14 399
15 402
16 405
17 420
18 429
19 453
20 459
21 462
22 465
23 468
24 471
25 489
26 492
27 495
28 498
29 504
30 540
31 552
32 555
33 558
34 561
35 570
36 579
37 585
38 639
39 642
40 645
41 651
42 660
43 690
44 708
45 711
46 720
47 729
48 735
49 750
50 780
51 789
52 795
53 801

List of values

[12, 15, 18, 21, 30, 330, 339, 345, 354, 360, 369, 375, 381, 399, 402, 405, 420, 429, 453, 459, 462, 465, 468, 471, 489, 492, 495, 498, 504, 540, 552, 555, 558, 561, 570, 579, 585, 639, 642, 645, 651, 660, 690, 708, 711, 720, 729, 735, 750, 780, 789, 795, 801]