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.

A385656 Numbers k such that the sum of the decimal digits of k^2 divides k^2.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 9
6 10
7 12
8 15
9 18
10 20
11 21
12 24
13 30
14 36
15 39
16 42
17 45
18 48
19 49
20 51
21 52
22 54
23 60
24 63
25 65
26 66
27 68
28 72
29 78
30 80
31 84
32 88
33 90
34 96
35 100
36 102
37 104
38 105
39 108
40 110
41 111
42 112
43 117
44 120
45 126
46 132
47 138
48 140
49 144
50 148
51 150
52 156
53 162
54 168
55 174
56 180
57 182
58 190
59 198
60 200
61 201
62 204
63 207

List of values

[1, 2, 3, 6, 9, 10, 12, 15, 18, 20, 21, 24, 30, 36, 39, 42, 45, 48, 49, 51, 52, 54, 60, 63, 65, 66, 68, 72, 78, 80, 84, 88, 90, 96, 100, 102, 104, 105, 108, 110, 111, 112, 117, 120, 126, 132, 138, 140, 144, 148, 150, 156, 162, 168, 174, 180, 182, 190, 198, 200, 201, 204, 207]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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