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.

A270926 Numbers k such that k*R(k) can be represented as the sum of two nonzero squares, where R(k) is the reverse of the decimal expansion of k.

Table of values

n a(n)
1 5
2 10
3 15
4 16
5 18
6 20
7 25
8 30
9 37
10 40
11 50
12 51
13 52
14 55
15 58
16 60
17 61
18 70
19 73
20 78
21 80
22 81
23 85
24 87
25 89
26 90
27 98
28 100
29 101
30 104
31 106
32 109
33 110
34 111
35 122
36 125
37 128
38 145
39 146
40 148
41 149
42 150
43 159
44 160
45 162
46 164
47 165
48 168
49 169
50 174
51 176
52 180
53 181
54 192
55 195
56 198
57 200
58 202
59 208
60 212
61 220
62 221
63 222

List of values

[5, 10, 15, 16, 18, 20, 25, 30, 37, 40, 50, 51, 52, 55, 58, 60, 61, 70, 73, 78, 80, 81, 85, 87, 89, 90, 98, 100, 101, 104, 106, 109, 110, 111, 122, 125, 128, 145, 146, 148, 149, 150, 159, 160, 162, 164, 165, 168, 169, 174, 176, 180, 181, 192, 195, 198, 200, 202, 208, 212, 220, 221, 222]