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.

A284742 Centered Platonic numbers.

Table of values

n a(n)
1 1
2 5
3 7
4 9
5 13
6 15
7 25
8 33
9 35
10 55
11 63
12 69
13 91
14 121
15 129
16 147
17 155
18 189
19 195
20 231
21 295
22 309
23 341
24 377
25 425
26 427
27 559
28 561
29 575
30 589
31 791
32 833
33 855
34 909
35 923
36 1035
37 1159
38 1241
39 1325
40 1415
41 1561
42 1661
43 1665
44 1729
45 2047
46 2057
47 2059
48 2331
49 2511
50 2625
51 2743
52 2869
53 3025
54 3059
55 3303
56 3605
57 3871
58 3925
59 4089
60 4215
61 4255

List of values

[1, 5, 7, 9, 13, 15, 25, 33, 35, 55, 63, 69, 91, 121, 129, 147, 155, 189, 195, 231, 295, 309, 341, 377, 425, 427, 559, 561, 575, 589, 791, 833, 855, 909, 923, 1035, 1159, 1241, 1325, 1415, 1561, 1661, 1665, 1729, 2047, 2057, 2059, 2331, 2511, 2625, 2743, 2869, 3025, 3059, 3303, 3605, 3871, 3925, 4089, 4215, 4255]