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.

A241747 Triangle read by rows: T(n,k) = (4*n+3)*(4*k+3).

Table of values

n a(n)
0 9
1 21
2 49
3 33
4 77
5 121
6 45
7 105
8 165
9 225
10 57
11 133
12 209
13 285
14 361
15 69
16 161
17 253
18 345
19 437
20 529
21 81
22 189
23 297
24 405
25 513
26 621
27 729
28 93
29 217
30 341
31 465
32 589
33 713
34 837
35 961
36 105
37 245
38 385
39 525
40 665
41 805
42 945
43 1085
44 1225
45 117
46 273
47 429
48 585
49 741
50 897
51 1053
52 1209
53 1365
54 1521

List of values

[9, 21, 49, 33, 77, 121, 45, 105, 165, 225, 57, 133, 209, 285, 361, 69, 161, 253, 345, 437, 529, 81, 189, 297, 405, 513, 621, 729, 93, 217, 341, 465, 589, 713, 837, 961, 105, 245, 385, 525, 665, 805, 945, 1085, 1225, 117, 273, 429, 585, 741, 897, 1053, 1209, 1365, 1521]